Question 1

A chunk of metal has a mass of 1 kg on Earth.If the same chunk were on the Moon its mass would be

Accepted Answer

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

Question 2

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 3

Burl and Paul on a sign-painting scaffold are in equilibrium,which means that the net upward supporting force of the vertical ropes is

Accepted Answer

A) equal to their weights. 
B) greater than their weights. 
C) equal and opposite to the combined weights of Burl,Paul,and the scaffold. 
D) none of the above 
A) equal to their weights. 
B) greater than their weights. 
C) equal and opposite to the combined weights of Burl,Paul,and the scaffold. 
D) none of the above

Question 4

According to Galileo,the test of scientific truth is

Accepted Answer

A) experiment. 
B) philosophical discussion. 
C) evident patterns in nature. 
D) logic. 
A) experiment. 
B) philosophical discussion. 
C) evident patterns in nature. 
D) logic.

Question 5

The net force on an object is

Accepted Answer

A) most often its weight. 
B) the combination of all forces acting on it. 
C) the force of friction acting on it. 
A) most often its weight. 
B) the combination of all forces acting on it. 
C) the force of friction acting on it.

Question 6

Science greatly advanced when Galileo favored

Accepted Answer

A) philosophical discussions. 
B) experiment. 
C) non-mathematical thinking. 
D) none of the above 
A) philosophical discussions. 
B) experiment. 
C) non-mathematical thinking. 
D) none of the above

Question 7

Compared with the mass of an apple on Earth,the mass of the same apple on the Moon is

Accepted Answer

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

Question 8

A mosquito flying at 3 m/s encounters a 3-m/s breeze blowing in the same direction,which gives it a resulting speed over the ground of

Accepted Answer

A) 0 m/s. 
B) 3 m/s. 
C) 4 m/s. 
D) 6 m/s. 
A) 0 m/s. 
B) 3 m/s. 
C) 4 m/s. 
D) 6 m/s.

Question 9

What is the meaning of the expression ΣF = 0?

Accepted Answer

This is the mathematical expression for

Question 10

Any falling object that gains a velocity of 10 m/s each second has an acceleration of

Accepted Answer

A) 10 m/s. 
B) 10 m/s2. 
C) both of these 
D) none of the above 
A) 10 m/s. 
B) 10 m/s2. 
C) both of these 
D) none of the above

Question 11

According to Aristotle,a rolled ball eventually comes to a stop because

Accepted Answer

A) of friction. 
B) of inertia. 
C) it seeks its natural state of rest. 
D) all of the above 
A) of friction. 
B) of inertia. 
C) it seeks its natural state of rest. 
D) all of the above

Question 12

The equilibrium rule ΣF = 0 applies to

Accepted Answer

A) objects or systems at rest. 
B) objects or systems in uniform motion in a straight line. 
C) both of the above 
D) neither of the above 
A) objects or systems at rest. 
B) objects or systems in uniform motion in a straight line. 
C) both of the above 
D) neither of the above

Question 13

Distinguish between the concepts of mass and weight.Which is more fundamental,and why?

Accepted Answer

Mass is the quantity of matter in an obj

Question 14

An 800-N man stands at rest with his weight evenly distributed on two bathroom 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 15

A kilogram is a measure of an object's

Accepted Answer

A) weight. 
B) force. 
C) mass. 
D) gravity. 
A) weight. 
B) force. 
C) mass. 
D) gravity.

Question 16

Between mass and weight,the more fundamental quantity is

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 17

In a dream you're in a car traveling at 50 km/h and you bump into another car traveling toward you at 48 km/h.The speed of impact is

Accepted Answer

A) 48 km/h. 
B) 50 km/h. 
C) 98 km/h. 
D) 2400 km/h. 
A) 48 km/h. 
B) 50 km/h. 
C) 98 km/h. 
D) 2400 km/h.

Question 18

A chunk of gold weighs 1 N on Earth.On the Moon its weight would be

Accepted Answer

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

Question 19

Given that two forces of 10 N and 15 N act horizontally on an object,the net force must

Accepted Answer

A) be 5 N. 
B) be 25 N. 
C) be either 5 N or 25 N. 
D) lie between 0 N and 25 N. 
A) be 5 N. 
B) be 25 N. 
C) be either 5 N or 25 N. 
D) lie between 0 N and 25 N.

Question 20

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.

Exam 1: Patterns of Motion and Equilibrium

A chunk of metal has a mass of 1 kg on Earth.If the same chunk were on the Moon its mass would be

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

Burl and Paul on a sign-painting scaffold are in equilibrium,which means that the net upward supporting force of the vertical ropes is

According to Galileo,the test of scientific truth is

The net force on an object is

Science greatly advanced when Galileo favored

Compared with the mass of an apple on Earth,the mass of the same apple on the Moon is

A mosquito flying at 3 m/s encounters a 3-m/s breeze blowing in the same direction,which gives it a resulting speed over the ground of

What is the meaning of the expression ΣF = 0?

Any falling object that gains a velocity of 10 m/s each second has an acceleration of

According to Aristotle,a rolled ball eventually comes to a stop because

The equilibrium rule ΣF = 0 applies to

Distinguish between the concepts of mass and weight.Which is more fundamental,and why?

An 800-N man stands at rest with his weight evenly distributed on two bathroom scales.The reading on each scale is

A kilogram is a measure of an object's

Between mass and weight,the more fundamental quantity is

In a dream you're in a car traveling at 50 km/h and you bump into another car traveling toward you at 48 km/h.The speed of impact is

A chunk of gold weighs 1 N on Earth.On the Moon its weight would be

Given that two forces of 10 N and 15 N act horizontally on an object,the net force must

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

Filters