Question 1

Galileo's demonstration at the Leaning Tower of Pisa

Accepted Answer

A) confirmed Aristotle's teachings. 
B) refuted Aristotle's teachings. 
C) failed in their purpose. 
D) none of the above 
A) confirmed Aristotle's teachings. 
B) refuted Aristotle's teachings. 
C) failed in their purpose. 
D) none of the above

Question 2

A man weighing 800 N stands at rest on two bathroom scales so that his weight is distributed evenly over both scales. The reading on each scale is

Accepted Answer

A) 200 N. 
B) 400 N. 
C) 800 N. 
D) 1600 N. 
E) none of the above 
A) 200 N. 
B) 400 N. 
C) 800 N. 
D) 1600 N. 
E) none of the above

Question 3

If you toss a ball straight upward at 40 m/s with no air resistance, one second before it reaches the top of its path its speed is

Accepted Answer

A) zero. 
B) 10 m/s. 
C) 20 m/s. 
D) 30 m/s 
E) 40 m/s. 
A) zero. 
B) 10 m/s. 
C) 20 m/s. 
D) 30 m/s 
E) 40 m/s.

Question 4

If you toss a ball straight upward at 40 m/s, with no air resistance it returns to you at a speed of

Accepted Answer

A) zero. 
B) 10 m/s. 
C) 40 m/s. 
D) more than 40 m/s. 
A) zero. 
B) 10 m/s. 
C) 40 m/s. 
D) more than 40 m/s.

Question 5

Compared with the mass of a certain object on Earth, the mass of the same object on the Moon is

Accepted Answer

A) less. 
B) more. 
C) the same. 
A) less. 
B) more. 
C) the same.

Question 6

Burl and Paul have a total weight of 1300 N. The tensions in the ropes that support the scaffold they stand on add to 1700 N. The weight of the scaffold itself must be

Accepted Answer

A) 400 N. 
B) 500 N. 
C) 600 N. 
D) 800 N. 
A) 400 N. 
B) 500 N. 
C) 600 N. 
D) 800 N.

Question 7

When a ball increases in speed by the same amount each second, its acceleration

Accepted Answer

A) also increases each second. 
B) decreases each second. 
C) is constant. 
D) varies. 
A) also increases each second. 
B) decreases each second. 
C) is constant. 
D) varies.

Question 8

Nellie runs the length of a 100-yard football field in a time of 20 seconds. Her average running speed is

Accepted Answer

A) 1/2 yard/s. 
B) 5 yards/s. 
C) 50 yards/s. 
D) not enough information 
A) 1/2 yard/s. 
B) 5 yards/s. 
C) 50 yards/s. 
D) not enough information

Question 9

What is the meaning of the expression ΣF = 0?

Accepted Answer

This is the mathematical expression for

Question 10

According to Galileo, inertia is a

Accepted Answer

A) force like any other force. 
B) special kind of force. 
C) property of all matter. 
D) concept opposite to force. 
A) force like any other force. 
B) special kind of force. 
C) property of all matter. 
D) concept opposite to force.

Question 11

Place a book that weighs 10 N on a horizontal surface and the support force on the book is

Accepted Answer

A) less than 10 N. 
B) 10 N. 
C) greater than 10 N. 
D) dependent on whether the book lies flat or stands upright. 
A) less than 10 N. 
B) 10 N. 
C) greater than 10 N. 
D) dependent on whether the book lies flat or stands upright.

Question 12

The force of friction on a sliding object is 10 N. The applied force needed to maintain a constant velocity is

Accepted Answer

A) more than 10 N. 
B) less than 10 N. 
C) 10 N. 
A) more than 10 N. 
B) less than 10 N. 
C) 10 N.

Question 13

An object in free fall has a speed of 60 m/s. One second later its speed is

Accepted Answer

A) 10 m/s. 
B) 30 m/s. 
C) 60 m/s. 
D) 70 m/s. 
A) 10 m/s. 
B) 30 m/s. 
C) 60 m/s. 
D) 70 m/s.

Question 14

If you toss a ball straight upward at 40 m/s with no air resistance, 6 seconds later its speed is

Accepted Answer

A) zero. 
B) 10 m/s. 
C) 20 m/s. 
D) 30 m/s 
E) 40 m/s. 
A) zero. 
B) 10 m/s. 
C) 20 m/s. 
D) 30 m/s 
E) 40 m/s.

Exam 1: Patterns of Motion and Equilibrium

Galileo's demonstration at the Leaning Tower of Pisa

A man weighing 800 N stands at rest on two bathroom scales so that his weight is distributed evenly over both scales. The reading on each scale is

If you toss a ball straight upward at 40 m/s with no air resistance, one second before it reaches the top of its path its speed is

If you toss a ball straight upward at 40 m/s, with no air resistance it returns to you at a speed of

Compared with the mass of a certain object on Earth, the mass of the same object on the Moon is

Burl and Paul have a total weight of 1300 N. The tensions in the ropes that support the scaffold they stand on add to 1700 N. The weight of the scaffold itself must be

When a ball increases in speed by the same amount each second, its acceleration

Nellie runs the length of a 100-yard football field in a time of 20 seconds. Her average running speed is

What is the meaning of the expression ΣF = 0?

According to Galileo, inertia is a

Place a book that weighs 10 N on a horizontal surface and the support force on the book is

The force of friction on a sliding object is 10 N. The applied force needed to maintain a constant velocity is

An object in free fall has a speed of 60 m/s. One second later its speed is

If you toss a ball straight upward at 40 m/s with no air resistance, 6 seconds later its speed 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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