Question 1

You stand on a bathroom scale at the equator and at the north pole.The scale reading at the equator is _______________ the scale reading at the north pole.

Accepted Answer

slightly s

Question 2

For this situation, I push on a heavy chair.
-Suppose I push moderately on the chair,and this time the chair does move.Then the strength of the force the chair exerts on me is

Accepted Answer

A) less than the force I exert on the chair. 
B) equal to the force I exert on the chair. 
C) greater than the force I exert on the chair. 
D) zero. 
A) less than the force I exert on the chair. 
B) equal to the force I exert on the chair. 
C) greater than the force I exert on the chair. 
D) zero.

Question 3

A 160 lb person has a mass of 160/32 = 5 slugs.A 160-lb person steps into an elevator and stands on a bathroom scale.Determine the scale reading for the given scenarios.
-After moving upwards at constant speed,the elevator is slowing down at 2 m/s2 as it is coming to rest.

Accepted Answer

A) 150 lb 
B) 160 lb 
C) 170 lb 
D) none of the above 
A) 150 lb 
B) 160 lb 
C) 170 lb 
D) none of the above

Question 4

Two identical airplanes are executing identical turns around a pylon.One of them is moving at 200 mph,and the other is moving at 100 mph.The centripetal force acting on the airplane moving at 200 mph is __________ the value of the centripetal force acting on the airplane moving at 100 mph.

Accepted Answer

A) one quarter 
B) one half 
C) the same as 
D) twice 
E) four times 
A) one quarter 
B) one half 
C) the same as 
D) twice 
E) four times

Question 5

The net force points downward.

Accepted Answer

A) True 
 B)False

Question 6

A child on a merry-go-round is moving with speed 4 m/s in a circle with radius 2 m.If the child's mass is 30 kg,what is the centripetal force?

Accepted Answer

The answer of A child on a merry-go-round is moving...

Question 7

A satellite orbits the Earth at a distance of 10,000 miles from the Earth's center.At this distance the force of gravity on the satellite is 90 lbs.
(a)What would the force on the satellite be if the distance were 5,000 miles instead?
(b)At what distance from the Earth's center would the force on the same satellite be 10 lbs?

Accepted Answer

(a)360 lbs

Question 8

​Match each item with the correct statement below.​
-a measure of an object's resistance to acceleration

Accepted Answer

A) centripetal force 
B) circle 
C) ellipse 
D) field 
E) kinetic friction
F)mass
G)parabola
H)SI
I)simple harmonic motion
J)static friction
K)terminal speed
L)tides
M)weight 
A) centripetal force 
B) circle 
C) ellipse 
D) field 
E) kinetic friction
F)mass
G)parabola
H)SI
I)simple harmonic motion
J)static friction
K)terminal speed
L)tides
M)weight

Question 9

​Match each item with the correct statement below.​
-the volume of a 5 lb bag of sugar

Accepted Answer

A) m 
B) m2 
C) m3 
D) s 
E) Hz
F)m/s
G)m/s2
H)N
I)kg 
A) m 
B) m2 
C) m3 
D) s 
E) Hz
F)m/s
G)m/s2
H)N
I)kg

Question 10

An aircraft weighs 1,500 N,its mass is

Accepted Answer

A) 1,500 kg. 
B) 750 kg. 
C) 153 kg. 
D) mass cannot be determined 
A) 1,500 kg. 
B) 750 kg. 
C) 153 kg. 
D) mass cannot be determined

Question 11

A 188-pound astronaut in a training exercise experiences an acceleration of 7.2 g's.What is the net force (in newtons)acting on the astronaut?

Accepted Answer

A) 1,353.6 N 
B) 6,023.5 N 
C) 59,030.5 N 
D) 13,536 N 
A) 1,353.6 N 
B) 6,023.5 N 
C) 59,030.5 N 
D) 13,536 N

Question 12

​Match each item with the correct statement below.​
-the quantity describing how the speed of your car changes

Accepted Answer

A) m 
B) m2 
C) m3 
D) s 
E) Hz
F)m/s
G)m/s2
H)N
I)kg 
A) m 
B) m2 
C) m3 
D) s 
E) Hz
F)m/s
G)m/s2
H)N
I)kg

Question 13

A 160 lb person has a mass of 160/32 = 5 slugs.A 160-lb person steps into an elevator and stands on a bathroom scale.Determine the scale reading for the given scenarios.
-The elevator is accelerating downwards at 2 ft/s2.

Accepted Answer

A) 150 lb 
B) 160 lb 
C) 170 lb 
D) none of the above 
A) 150 lb 
B) 160 lb 
C) 170 lb 
D) none of the above

Question 14

Tides are caused because different parts of the Earth's oceans are at different distances from the Moon.

Accepted Answer

A) True 
 B)False

Question 15

The SI units of acceleration are

Accepted Answer

A) mi/h. 
B) km/h. 
C) m/s. 
D) m/s2. 
E) none of the above 
A) mi/h. 
B) km/h. 
C) m/s. 
D) m/s2. 
E) none of the above

Question 16

With a fixed force,you will impart the same acceleration to a body on the Earth and on the Moon.

Accepted Answer

A) True 
 B)False

Question 17

The horizontal speed of a projectile

Accepted Answer

A) is zero. 
B) stays constant. 
C) continuously increases. 
D) continuously decreases. 
E) sometimes decreases and sometimes increases. 
A) is zero. 
B) stays constant. 
C) continuously increases. 
D) continuously decreases. 
E) sometimes decreases and sometimes increases.

Question 18

The acceleration of a body is

Accepted Answer

A) always in the same direction as its velocity. 
B) always in the same direction as the net force on the body. 
C) in the direction that the body is moving. 
D) equal to the net force on the body. 
E) none of the above. 
A) always in the same direction as its velocity. 
B) always in the same direction as the net force on the body. 
C) in the direction that the body is moving. 
D) equal to the net force on the body. 
E) none of the above.

Question 19

An aircraft starts at rest and is accelerated at 10 m/s2 for 30 seconds,at which time the aircraft becomes airborne.What is the distance traveled during the 30 seconds? Assume the acceleration is constant.

Accepted Answer

Question 20

​Match each item with the correct statement below.​
-needed to make an object move in a circle

Accepted Answer

A) centripetal force 
B) circle 
C) ellipse 
D) field 
E) kinetic friction
F)mass
G)parabola
H)SI
I)simple harmonic motion
J)static friction
K)terminal speed
L)tides
M)weight 
A) centripetal force 
B) circle 
C) ellipse 
D) field 
E) kinetic friction
F)mass
G)parabola
H)SI
I)simple harmonic motion
J)static friction
K)terminal speed
L)tides
M)weight

You stand on a bathroom scale at the equator and at the north pole.The scale reading at the equator is _______________ the scale reading at the north pole.

For this situation, I push on a heavy chair. -Suppose I push moderately on the chair,and this time the chair does move.Then the strength of the force the chair exerts on me is

A 160 lb person has a mass of 160/32 = 5 slugs.A 160-lb person steps into an elevator and stands on a bathroom scale.Determine the scale reading for the given scenarios. -After moving upwards at constant speed,the elevator is slowing down at 2 m/s² as it is coming to rest.

Two identical airplanes are executing identical turns around a pylon.One of them is moving at 200 mph,and the other is moving at 100 mph.The centripetal force acting on the airplane moving at 200 mph is __________ the value of the centripetal force acting on the airplane moving at 100 mph.

The net force points downward.

A child on a merry-go-round is moving with speed 4 m/s in a circle with radius 2 m.If the child's mass is 30 kg,what is the centripetal force?

Match each item with the correct statement below. -a measure of an object's resistance to acceleration

Match each item with the correct statement below. -the volume of a 5 lb bag of sugar

An aircraft weighs 1,500 N,its mass is

A 188-pound astronaut in a training exercise experiences an acceleration of 7.2 g's.What is the net force (in newtons)acting on the astronaut?

Match each item with the correct statement below. -the quantity describing how the speed of your car changes

A 160 lb person has a mass of 160/32 = 5 slugs.A 160-lb person steps into an elevator and stands on a bathroom scale.Determine the scale reading for the given scenarios. -The elevator is accelerating downwards at 2 ft/s².

Tides are caused because different parts of the Earth's oceans are at different distances from the Moon.

The SI units of acceleration are

With a fixed force,you will impart the same acceleration to a body on the Earth and on the Moon.

The horizontal speed of a projectile

The acceleration of a body is

An aircraft starts at rest and is accelerated at 10 m/s² for 30 seconds,at which time the aircraft becomes airborne.What is the distance traveled during the 30 seconds? Assume the acceleration is constant.

Match each item with the correct statement below. -needed to make an object move in a circle

The Study of Motion

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Waves and Sound

Electricity

Electromagnetism and Em Waves

Optics

Atomic Physics

Nuclear Physics

Special Relativity and Elementary Particles

Filters

Exam 2: Newtons Laws

You stand on a bathroom scale at the equator and at the north pole.The scale reading at the equator is _______________ the scale reading at the north pole.

For this situation, I push on a heavy chair. -Suppose I push moderately on the chair,and this time the chair does move.Then the strength of the force the chair exerts on me is

A 160 lb person has a mass of 160/32 = 5 slugs.A 160-lb person steps into an elevator and stands on a bathroom scale.Determine the scale reading for the given scenarios. -After moving upwards at constant speed,the elevator is slowing down at 2 m/s2 as it is coming to rest.

Two identical airplanes are executing identical turns around a pylon.One of them is moving at 200 mph,and the other is moving at 100 mph.The centripetal force acting on the airplane moving at 200 mph is __________ the value of the centripetal force acting on the airplane moving at 100 mph.

The net force points downward.

A child on a merry-go-round is moving with speed 4 m/s in a circle with radius 2 m.If the child's mass is 30 kg,what is the centripetal force?

​Match each item with the correct statement below.​ -a measure of an object's resistance to acceleration

​Match each item with the correct statement below.​ -the volume of a 5 lb bag of sugar

An aircraft weighs 1,500 N,its mass is

A 188-pound astronaut in a training exercise experiences an acceleration of 7.2 g's.What is the net force (in newtons)acting on the astronaut?

​Match each item with the correct statement below.​ -the quantity describing how the speed of your car changes

A 160 lb person has a mass of 160/32 = 5 slugs.A 160-lb person steps into an elevator and stands on a bathroom scale.Determine the scale reading for the given scenarios. -The elevator is accelerating downwards at 2 ft/s2.

Tides are caused because different parts of the Earth's oceans are at different distances from the Moon.

The SI units of acceleration are

With a fixed force,you will impart the same acceleration to a body on the Earth and on the Moon.

The horizontal speed of a projectile

The acceleration of a body is

An aircraft starts at rest and is accelerated at 10 m/s2 for 30 seconds,at which time the aircraft becomes airborne.What is the distance traveled during the 30 seconds? Assume the acceleration is constant.

​Match each item with the correct statement below.​ -needed to make an object move in a circle

The Study of Motion

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Waves and Sound

Electricity

Electromagnetism and Em Waves

Optics

Atomic Physics

Nuclear Physics

Special Relativity and Elementary Particles

Filters

A 160 lb person has a mass of 160/32 = 5 slugs.A 160-lb person steps into an elevator and stands on a bathroom scale.Determine the scale reading for the given scenarios. -After moving upwards at constant speed,the elevator is slowing down at 2 m/s² as it is coming to rest.

Match each item with the correct statement below. -a measure of an object's resistance to acceleration

Match each item with the correct statement below. -the volume of a 5 lb bag of sugar

Match each item with the correct statement below. -the quantity describing how the speed of your car changes

A 160 lb person has a mass of 160/32 = 5 slugs.A 160-lb person steps into an elevator and stands on a bathroom scale.Determine the scale reading for the given scenarios. -The elevator is accelerating downwards at 2 ft/s².

An aircraft starts at rest and is accelerated at 10 m/s² for 30 seconds,at which time the aircraft becomes airborne.What is the distance traveled during the 30 seconds? Assume the acceleration is constant.

Match each item with the correct statement below. -needed to make an object move in a circle