Question 1

Which has the greatest mass?

Accepted Answer

A) a fluffed-up king-size pillow 
B) a scrunched-up king-size pillow 
C) an automobile battery 
D) all about the same 
A) a fluffed-up king-size pillow 
B) a scrunched-up king-size pillow 
C) an automobile battery 
D) all about the same

Question 2

The acceleration of a Tesla that maintains a constant velocity of 120 km/h over a time of one-half hour is

Accepted Answer

A) 60 km/h. 
B) 120 km/h. 
C) 240 km/h. 
D) zero because of no change in velocity. 
A) 60 km/h. 
B) 120 km/h. 
C) 240 km/h. 
D) zero because of no change in velocity.

Question 3

The two measurements necessary for calculating average speed are

Accepted Answer

A) acceleration and time. 
B) velocity and time. 
C) distance and time. 
D) distance and acceleration. 
E) velocity and distance. 
A) acceleration and time. 
B) velocity and time. 
C) distance and time. 
D) distance and acceleration. 
E) velocity and distance.

Question 4

Your weight is

Accepted Answer

A) another word for your mass. 
B) the gravitational attraction between you and Earth. 
C) a property of mechanical equilibrium. 
D) the same in all locations. 
A) another word for your mass. 
B) the gravitational attraction between you and Earth. 
C) a property of mechanical equilibrium. 
D) the same in all locations.

Question 5

Give three examples of the equilibrium rule that are not cited in the textbook.

Accepted Answer

Open ended.Whatever the object

Question 6

The quantity that most relates to the size of an object is

Accepted Answer

A) mass. 
B) weight. 
C) volume. 
D) none of the above 
A) mass. 
B) weight. 
C) volume. 
D) none of the above

Question 7

As you jump up and down on a floor,the support force by the floor experiences

Accepted Answer

A) changes. 
B) no changes. 
C) none of the above. 
A) changes. 
B) no changes. 
C) none of the above.

Question 8

A bucket of cement is raised by a rope at constant speed at a construction site.Compared with the force of gravity on the bucket,the upward force supplied by the rope is

Accepted Answer

A) greater. 
B) equal. 
C) less. 
A) greater. 
B) equal. 
C) less.

Question 9

An 800-N woman stands at rest on two bathroom scales so that one scale shows a reading of 500 N.The reading on the other scale is

Accepted Answer

A) 200 N. 
B) 300 N. 
C) 400 N. 
D) 800 N. 
E) none of the above 
A) 200 N. 
B) 300 N. 
C) 400 N. 
D) 800 N. 
E) none of the above

Question 10

The gain in speed each second for a freely-falling object is about

Accepted Answer

A) 0 m/s. 
B) 5 m/s. 
C) 10 m/s. 
D) 20 m/s. 
E) depends on the initial speed. 
A) 0 m/s. 
B) 5 m/s. 
C) 10 m/s. 
D) 20 m/s. 
E) depends on the initial speed.

Question 11

Compared with a 1-kg block of solid iron,a 2-kg block of solid iron has twice as much

Accepted Answer

A) inertia. 
B) mass. 
C) volume. 
D) all of the above 
E) none of the above 
A) inertia. 
B) mass. 
C) volume. 
D) all of the above 
E) none of the above

Question 12

A 50-N object falling in air experiences 30 N of air resistance.The net force on the falling object is

Accepted Answer

A) 0 N. 
B) 20 N. 
C) 50 N. 
D) 80 N. 
A) 0 N. 
B) 20 N. 
C) 50 N. 
D) 80 N.

Question 13

Whenever the net force on an object is zero,its acceleration

Accepted Answer

A) may be zero. 
B) is zero. 
C) and velocity are the same. 
D) none of the above 
A) may be zero. 
B) is zero. 
C) and velocity are the same. 
D) none of the above

Question 14

Shake an object to and fro if you want to judge its

Accepted Answer

A) mass. 
B) weight. 
C) both the same 
D) none of the above 
A) mass. 
B) weight. 
C) both the same 
D) none of the above

Question 15

When Marie pushes her desk to the right,friction between the floor and the desk acts toward

Accepted Answer

A) the left. 
B) the right. 
C) at right angles to her push. 
D) none of the above 
A) the left. 
B) the right. 
C) at right angles to her push. 
D) none of the above

Question 16

You're at rest in a hammock when a hungry mosquito sees you as lunch,while a 2-m/s breeze is blowing.If the mosquito joins you for lunch,it should first hover over you by flying

Accepted Answer

A) against the breeze at 2 m/s. 
B) with the breeze at 2 m/s. 
C) a bit faster than wind speed. 
D) none of the above 
A) against the breeze at 2 m/s. 
B) with the breeze at 2 m/s. 
C) a bit faster than wind speed. 
D) none of the above

Question 17

A parachutist falling at constant velocity is in a state of

Accepted Answer

A) dynamic equilibrium. 
B) non-dynamic equilibrium. 
C) being in and out of dynamic equilibrium. 
D) none of the above 
A) dynamic equilibrium. 
B) non-dynamic equilibrium. 
C) being in and out of dynamic equilibrium. 
D) none of the above

Question 18

Which has zero acceleration?

Accepted Answer

A) an object at rest 
B) an object moving at constant velocity 
C) an object in mechanical equilibrium 
D) all of the above 
E) none of the above 
A) an object at rest 
B) an object moving at constant velocity 
C) an object in mechanical equilibrium 
D) all of the above 
E) none of the above

Question 19

If a freely-falling object were somehow equipped with a speedometer,its speed reading would increase each second by about

Accepted Answer

A) 5 m/s. 
B) 10 m/s. 
C) 15 m/s. 
D) a variable amount. 
A) 5 m/s. 
B) 10 m/s. 
C) 15 m/s. 
D) a variable amount.

Question 20

An object that has twice as much mass as another object also has twice as much

Accepted Answer

A) inertia. 
B) velocity. 
C) gravitational acceleration. 
D) volume. 
E) all of the above 
A) inertia. 
B) velocity. 
C) gravitational acceleration. 
D) volume. 
E) all of the above

Exam 1: Patterns of Motion and Equilibrium

Which has the greatest mass?

The acceleration of a Tesla that maintains a constant velocity of 120 km/h over a time of one-half hour is

The two measurements necessary for calculating average speed are

Your weight is

Give three examples of the equilibrium rule that are not cited in the textbook.

The quantity that most relates to the size of an object is

As you jump up and down on a floor,the support force by the floor experiences

A bucket of cement is raised by a rope at constant speed at a construction site.Compared with the force of gravity on the bucket,the upward force supplied by the rope is

An 800-N woman stands at rest on two bathroom scales so that one scale shows a reading of 500 N.The reading on the other scale is

The gain in speed each second for a freely-falling object is about

Compared with a 1-kg block of solid iron,a 2-kg block of solid iron has twice as much

A 50-N object falling in air experiences 30 N of air resistance.The net force on the falling object is

Whenever the net force on an object is zero,its acceleration

Shake an object to and fro if you want to judge its

When Marie pushes her desk to the right,friction between the floor and the desk acts toward

You're at rest in a hammock when a hungry mosquito sees you as lunch,while a 2-m/s breeze is blowing.If the mosquito joins you for lunch,it should first hover over you by flying

A parachutist falling at constant velocity is in a state of

Which has zero acceleration?

If a freely-falling object were somehow equipped with a speedometer,its speed reading would increase each second by about

An object that has twice as much mass as another object also has twice as much

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

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