Question 1

When a body moves with uniform acceleration,the net force on it is zero.

Accepted Answer

A) True 
 B)False

Question 2

To hold a 5 lb bag of sugar in your hand,you must push upwards on it with a force of 5 lb.This is an example of Newton's third law.

Accepted Answer

A) True 
 B)False

Question 3

If a body were in orbit very near the surface of the Earth,its centripetal acceleration would be equal to g.

Accepted Answer

A) True 
 B)False

Question 4

Match each item with the correct statement below.​
-As a rocket is being launched into space with constant force (F),the acceleration

Accepted Answer

A) ​increases 
B) ​decreases 
C) ​stays the same 
A) ​increases 
B) ​decreases 
C) ​stays the same

Question 5

When a body moves in a straight line with increasing speed,the net force on it must be increasing.

Accepted Answer

A) True 
 B)False

Question 6

​Match each item with the correct statement below.​
-the force of gravity acting on a body

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 7

When a freely falling object reaches its terminal speed,

Accepted Answer

A) it is still accelerating. 
B) its acceleration is zero. 
C) it is decelerating. 
D) its acceleration cannot be determined. 
A) it is still accelerating. 
B) its acceleration is zero. 
C) it is decelerating. 
D) its acceleration cannot be determined.

Question 8

Match each item with the correct statement below.​
-a body not moving

Accepted Answer

A) ​zero net force 
B) ​constant net force in the same direction as velocity 
C) ​constant net force opposite to velocity 
D) ​constant net force perpendicular to velocity 
E) ​net force decreasing with speed
F)​restoring force proportional to displacement 
A) ​zero net force 
B) ​constant net force in the same direction as velocity 
C) ​constant net force opposite to velocity 
D) ​constant net force perpendicular to velocity 
E) ​net force decreasing with speed
F)​restoring force proportional to displacement

Question 9

Which statement is incorrect? The gravitational force on an orbiting satellite due to the Earth

Accepted Answer

A) aims toward the center of the Earth. 
B) depends on the Earth's mass. 
C) depends on the satellite's mass. 
D) depends on the distance between the Earth and the satellite. 
E) none of the above 
A) aims toward the center of the Earth. 
B) depends on the Earth's mass. 
C) depends on the satellite's mass. 
D) depends on the distance between the Earth and the satellite. 
E) none of the above

Question 10

For this situation, I push on a heavy chair.
-Suppose I push lightly on the chair,and the chair doesn't move at all.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 11

When you jump,you accelerate upward because the floor exerts an upward force on you.

Accepted Answer

A) True 
 B)False

Question 12

As the radius of the orbit of an artificial satellite increases,its orbital period __________.

Accepted Answer

The answer of As the radius of the orbit of...

Question 13

If the net force on an object is zero,

Accepted Answer

A) there must be no forces acting on the object. 
B) the object must be at rest. 
C) the object's acceleration must be zero. 
D) there can be no friction acting on the object. 
A) there must be no forces acting on the object. 
B) the object must be at rest. 
C) the object's acceleration must be zero. 
D) there can be no friction acting on the object.

Question 14

The horizontal acceleration 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 15

You drop a freely falling body at the equator and at the north pole.The acceleration of the freely falling body at the equator is _______________ the acceleration of the freely falling body at the north pole.

Accepted Answer

The answer of You drop a freely falling body at...

Question 16

You push on a block on frictionless ice with a force of 8 N,causing it to accelerate at 2 m/s2.The mass of the block is

Accepted Answer

A) 2 kg. 
B) 4 kg. 
C) 8 kg. 
D) 16 kg. 
E) 6 kg. 
A) 2 kg. 
B) 4 kg. 
C) 8 kg. 
D) 16 kg. 
E) 6 kg.

Question 17

Which of these are SI units?

Accepted Answer

A) centimeters 
B) newtons 
C) pounds 
D) seconds 
E) none of the above 
A) centimeters 
B) newtons 
C) pounds 
D) seconds 
E) none of the above

Question 18

Find your own weight in newtons.

Accepted Answer

Answers wi

Question 19

Which is larger,a newton or a pound?

Accepted Answer

A) a newton 
B) a pound 
C) This question is nonsense-they don't measure the same physical quantity. 
D) They are the same size. 
A) a newton 
B) a pound 
C) This question is nonsense-they don't measure the same physical quantity. 
D) They are the same size.

Question 20

A body on the surface of the Earth weighs 400 lb.The radius of the Earth is about 4,000 miles.If this same body were placed on a 4,000-mile high tower,its weight would be 200 lb.

Accepted Answer

A) True 
 B)False

When a body moves with uniform acceleration,the net force on it is zero.

To hold a 5 lb bag of sugar in your hand,you must push upwards on it with a force of 5 lb.This is an example of Newton's third law.

If a body were in orbit very near the surface of the Earth,its centripetal acceleration would be equal to g.

Match each item with the correct statement below. -As a rocket is being launched into space with constant force (F),the acceleration

When a body moves in a straight line with increasing speed,the net force on it must be increasing.

Match each item with the correct statement below. -the force of gravity acting on a body

When a freely falling object reaches its terminal speed,

Match each item with the correct statement below. -a body not moving

Which statement is incorrect? The gravitational force on an orbiting satellite due to the Earth

For this situation, I push on a heavy chair. -Suppose I push lightly on the chair,and the chair doesn't move at all.Then the strength of the force the chair exerts on me is

When you jump,you accelerate upward because the floor exerts an upward force on you.

As the radius of the orbit of an artificial satellite increases,its orbital period __________.

If the net force on an object is zero,

The horizontal acceleration of a projectile

You drop a freely falling body at the equator and at the north pole.The acceleration of the freely falling body at the equator is _______________ the acceleration of the freely falling body at the north pole.

You push on a block on frictionless ice with a force of 8 N,causing it to accelerate at 2 m/s².The mass of the block is

Which of these are SI units?

Find your own weight in newtons.

Which is larger,a newton or a pound?

A body on the surface of the Earth weighs 400 lb.The radius of the Earth is about 4,000 miles.If this same body were placed on a 4,000-mile high tower,its weight would be 200 lb.

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

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Exam 2: Newtons Laws

When a body moves with uniform acceleration,the net force on it is zero.

To hold a 5 lb bag of sugar in your hand,you must push upwards on it with a force of 5 lb.This is an example of Newton's third law.

If a body were in orbit very near the surface of the Earth,its centripetal acceleration would be equal to g.

Match each item with the correct statement below.​ -As a rocket is being launched into space with constant force (F),the acceleration

When a body moves in a straight line with increasing speed,the net force on it must be increasing.

​Match each item with the correct statement below.​ -the force of gravity acting on a body

When a freely falling object reaches its terminal speed,

Match each item with the correct statement below.​ -a body not moving

Which statement is incorrect? The gravitational force on an orbiting satellite due to the Earth

For this situation, I push on a heavy chair. -Suppose I push lightly on the chair,and the chair doesn't move at all.Then the strength of the force the chair exerts on me is

When you jump,you accelerate upward because the floor exerts an upward force on you.

As the radius of the orbit of an artificial satellite increases,its orbital period __________.

If the net force on an object is zero,

The horizontal acceleration of a projectile

You drop a freely falling body at the equator and at the north pole.The acceleration of the freely falling body at the equator is _______________ the acceleration of the freely falling body at the north pole.

You push on a block on frictionless ice with a force of 8 N,causing it to accelerate at 2 m/s2.The mass of the block is

Which of these are SI units?

Find your own weight in newtons.

Which is larger,a newton or a pound?

A body on the surface of the Earth weighs 400 lb.The radius of the Earth is about 4,000 miles.If this same body were placed on a 4,000-mile high tower,its weight would be 200 lb.

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

Match each item with the correct statement below. -As a rocket is being launched into space with constant force (F),the acceleration

Match each item with the correct statement below. -the force of gravity acting on a body

Match each item with the correct statement below. -a body not moving

You push on a block on frictionless ice with a force of 8 N,causing it to accelerate at 2 m/s².The mass of the block is