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Force, Motion, and Newton's Laws Part 2

Total questions: 22

Worksheet time: 11mins

Name
Class
Date
1.

Inertia varies according to

a)

force

b)

mass

c)

velocity

d)

motion

2.

The upward force on an object falling through the air is

a)

air resistance

b)

inertia

c)

momentum

d)

terminal velocity

3.

The relationship among force, mass, and acceleration is explained by

a)

The Law of Conservation of Momentum

b)

Newton's First Law

c)

Newton's Second Law

d)

Newton's Third Law

4.

A feather falls through the air more slowly than a brick because of

a)

air resistance

b)

gravity

c)

inertia

d)

momentum

5.

When an object moves in a circular path, it accelerates towards the center of the circle as a result of

a)

centripetal force

b)

frictional force

c)

gravitational force

d)

momentum

6.

For any object, the greater the amount of force applied to it, the greater its ________________.

a)

gravity

b)

inertia

c)

acceleration

d)

velocity

7.

The size of the gravitational force between two objects depends on their

a)

frictional forces

b)

inertia

c)

masses and the distance between them

d)

speed and direction

8.

As you get farther from Earth, your weight will

a)

decrease

b)

increase

c)

remain the same

d)

not enough information given

9.

The statement: "For every action there is an equal and opposite reaction" is

a)

the Law of Universal Gravitation

b)

Newton's First Law

c)

Newton's Second Law

d)

Newton's Third Law

10.

When two billiard balls collide, the movement of the balls after the collision is explained by the

a)

Law of Conservation of Momentum

b)

Newton's First Law

c)

Newton's Second Law

d)

Newton's Third Law

11.

Using Newton's Second Law, solve the following: A 300 N force acts on a 25 kg object. The acceleration of the object is

a)

7500 m/s2

b)

300 m/s2

c)

25 m/s2

d)

12 m/s2

12.

An object that is in free fall seems to be

a)

not moving

b)

slowed by air resistance

c)

speeded up by air resistance

d)

weightless

13.

When the drag force of an object falling through the air equals the force of gravity, the object has reached

a)

terminal force

b)

terminal gravity

c)

terminal velocity

d)

terminal acceleration

14.

Forces that are equal in size, but opposite in direction are

a)

balanced forces

b)

frictional forces

c)

inertial forces

d)

net forces

15.

Newton's First Law of Motion states that an object at rest remains at rest, unless a(n) __________ force acts on it.

a)

balanced

b)

frictional

c)

gravitational

d)

unbalanced

16.

The force you have to overcome to start an object moving is

a)

rolling friction

b)

static friction

c)

sliding friction

d)

air resistance

17.

Whenever a body is in motion, there is always ________ to oppose the motion.

a)

friction

b)

inertia

c)

gravity

d)

acceleration

18.

According to Newton's Second Law of motion, F =

a)

mv

b)

m/a

c)

m - a

d)

ma

19.

The statement "For every action, there is an equal and opposite reaction," is a statement of

a)

Newton's First Law of Motion

b)

Newton's Second Law of Motion

c)

Newton's Third Law of Motion

d)

Law of Conservation of Momentum

20.

When a diver jumps off a diving board, gravity pulls her down to the water. What is the reaction force to Earth's gravity.

a)

The diver's legs push against the board

b)

Friction between the diver and the water slows the diver

c)

Air resistance slows the diver

d)

The diver pulls the Earth up

21.

Over which segments is the car's speed changing?

a)

b and d

b)

a and c

c)

e and a

d)

a, c, and e

22.

Which of the following is not a factor when determining how fast an object is moving when it is dropped off a building?

a)

mass of object

b)

material of object

c)

gravitational strength

d)

air resistance acting on the object