Question 1

You're driving in a car at 50 km/h and bump into a car ahead traveling at 48 km/h in the same direction. The speed of impact is

Accepted Answer

A) zero. 
B) 2 km/h. 
C) 48 km/h. 
D) 50 km/h. 
E) 98 km/h. 
A) zero. 
B) 2 km/h. 
C) 48 km/h. 
D) 50 km/h. 
E) 98 km/h. B

Question 2

If a Jaguar sports car accelerates from zero to 100 km/h in 3.0 s its acceleration is

Accepted Answer

A) 0.03 km/h/s. 
B) 0.06 km/h/s. 
C) 33.3 km/h/s. 
D) 66 km/h/s. 
A) 0.03 km/h/s. 
B) 0.06 km/h/s. 
C) 33.3 km/h/s. 
D) 66 km/h/s. C

Question 3

The vertical height attained by a basketball player who achieves a hang time of a full 1 s is about

Accepted Answer

A) 0.8 m. 
B) 1 m. 
C) 1.2 m. 
D) 2.5 m. 
E) more than 2.5 m. 
A) 0.8 m. 
B) 1 m. 
C) 1.2 m. 
D) 2.5 m. 
E) more than 2.5 m. C

Question 4

Aristotle believed that natural laws could be understood by

Accepted Answer

A) experiment. 
B) logic. 
C) patterns. 
D) mathematics. 
A) experiment. 
B) logic. 
C) patterns. 
D) mathematics.

Question 5

The average speed of a horse that gallops a distance of 10 km in a time of 30 min is

Accepted Answer

A) 10 km/h. 
B) 20 km/h. 
C) 30 km/h. 
D) more than 30 km/h. 
A) 10 km/h. 
B) 20 km/h. 
C) 30 km/h. 
D) more than 30 km/h.

Question 6

You're lying on the sand on a breezy day when a pesky fly wishes to join you. The breeze is blowing at a steady 2 m/s. In order for the fly to land on you it should hover over you while flying

Accepted Answer

A) against the breeze at 2 m/s. 
B) with the breeze at 2 m/s. 
C) faster than 2 m/s. 
D) about 4 m/s relative to the breeze. 
A) against the breeze at 2 m/s. 
B) with the breeze at 2 m/s. 
C) faster than 2 m/s. 
D) about 4 m/s relative to the breeze.

Question 7

What did Galileo incorporate in his study of motion that Aristotle overlooked?

Accepted Answer

A) the role of distance 
B) the role of time 
C) the role of space 
D) none of the above 
A) the role of distance 
B) the role of time 
C) the role of space 
D) none of the above

Question 8

On the surface of the Moon where acceleration due to gravity is less, a person's hang time would be

Accepted Answer

A) longer. 
B) shorter. 
C) the same as on Earth. 
A) longer. 
B) shorter. 
C) the same as on Earth.

Question 9

As an object freely falls, its

Accepted Answer

A) velocity increases. 
B) acceleration increases. 
C) both 
D) none of the above 
A) velocity increases. 
B) acceleration increases. 
C) both 
D) none of the above

Question 10

While a crate rests on a horizontal floor the friction force acting on the crate is

Accepted Answer

A) zero. 
B) equal to the weight of the crate. 
C) between zero and the weight of the crate. 
D) none of the above 
A) zero. 
B) equal to the weight of the crate. 
C) between zero and the weight of the crate. 
D) none of the above

Question 11

A 1-kg mass at Earth's surface weighs about

Accepted Answer

A) 1 N. 
B) 5 N. 
C) 10 N. 
D) 12 N. 
E) none of the above 
A) 1 N. 
B) 5 N. 
C) 10 N. 
D) 12 N. 
E) none of the above

Question 12

A tutor will be correct in saying that velocity and acceleration are

Accepted Answer

A) the same concept, but expressed differently. 
B) rates of one another. 
C) expressions for changing speeds. 
D) different concepts. 
A) the same concept, but expressed differently. 
B) rates of one another. 
C) expressions for changing speeds. 
D) different concepts.

Question 13

While in an airplane flying at 100 km/h you look down from the window and spot another airplane flying at the same speed in the opposite direction. Relative to you, the speed of the spotted plane is

Accepted Answer

A) zero. 
B) 100 km/h. 
C) 150 km/h. 
D) 200 km/h. 
A) zero. 
B) 100 km/h. 
C) 150 km/h. 
D) 200 km/h.

Question 14

A 3000-N bear grasping a vertical tree slides down at constant velocity. The friction force between the tree and the bear is

Accepted Answer

A) 30 N. 
B) 300 N. 
C) 3000 N. 
D) more than 3000 N. 
A) 30 N. 
B) 300 N. 
C) 3000 N. 
D) more than 3000 N.

Question 15

The scientist to first introduce the concept of inertia was

Accepted Answer

A) Aristotle. 
B) Galileo. 
C) Newton. 
D) Copernicus. 
A) Aristotle. 
B) Galileo. 
C) Newton. 
D) Copernicus.

Question 16

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 17

A 50-N object falling in air experiences 30 N of air resistance. The amount of 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 18

You would have the largest mass of gold if it weighed 1 N on the

Accepted Answer

A) Moon. 
B) Earth. 
C) both the same 
A) Moon. 
B) Earth. 
C) both the same

Question 19

Compared with a 1-kg block of solid iron, a 2-kg block of solid iron has the same

Accepted Answer

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

Question 20

A girl pushes a cart to the left with a 100-N force. A boy pushes it to the right with a 50-N force. The net force exerted on the cart is

Accepted Answer

A) 50 N to the left. 
B) 50 N to the right. 
C) 100 N to the left. 
D) 100 N to the right. 
A) 50 N to the left. 
B) 50 N to the right. 
C) 100 N to the left. 
D) 100 N to the right.

Exam 1: Patterns of Motion and Equilibrium

You're driving in a car at 50 km/h and bump into a car ahead traveling at 48 km/h in the same direction. The speed of impact is

If a Jaguar sports car accelerates from zero to 100 km/h in 3.0 s its acceleration is

The vertical height attained by a basketball player who achieves a hang time of a full 1 s is about

Aristotle believed that natural laws could be understood by

The average speed of a horse that gallops a distance of 10 km in a time of 30 min is

You're lying on the sand on a breezy day when a pesky fly wishes to join you. The breeze is blowing at a steady 2 m/s. In order for the fly to land on you it should hover over you while flying

What did Galileo incorporate in his study of motion that Aristotle overlooked?

On the surface of the Moon where acceleration due to gravity is less, a person's hang time would be

As an object freely falls, its

While a crate rests on a horizontal floor the friction force acting on the crate is

A 1-kg mass at Earth's surface weighs about

A tutor will be correct in saying that velocity and acceleration are

While in an airplane flying at 100 km/h you look down from the window and spot another airplane flying at the same speed in the opposite direction. Relative to you, the speed of the spotted plane is

A 3000-N bear grasping a vertical tree slides down at constant velocity. The friction force between the tree and the bear is

The scientist to first introduce the concept of inertia was

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

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

You would have the largest mass of gold if it weighed 1 N on the

Compared with a 1-kg block of solid iron, a 2-kg block of solid iron has the same

A girl pushes a cart to the left with a 100-N force. A boy pushes it to the right with a 50-N force. The net force exerted on the cart is

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 Timereading 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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