Free Printable Chapter 12 Forces

1.

Select all the types of friction.

a)

sliding friction

b)

static fiction

c)

rolling friction

d)

colliding friction

e)

fluid friction

2.

Earth's gravitational force acts in what direction?

a)

circular

b)

horizontal

c)

upward

d)

downward

3.

What amount of force accelerates a 1-kilogram mass at 1 m/s²?

a)

one pound

b)

one Newton

c)

one meter

d)

one Watt

4.

True or False?

The comination of the initial horizontal velocity and rolling friction causes a projectile to follow a curved path.

a)

True

b)

False

5.

What forces act on a projectile?

a)

Gravity

b)

Air resistance

c)

Sliding Friction

d)

Net Force

6.

What equation states Newton's second law of motion?

a)

$momentum=mass\times velocity$

b)

$acceleration=\frac{Net\ Force}{Mass}$

c)

$average\ speed=\frac{dis\tan ce}{time}$

d)

$weight=mass\times acceleration\ due\ to\ gravity$

7.

True or False. Mass is a measure of the force of gravity acting on an object.

a)

True

b)

False

8.

True or false. If net force > 0, an object's motion does not change.

a)

True

b)

False

9.

What is the SI unit of measure for Force?

a)

m/s²

b)

N

c)

kg

d)

lbs

10.

What is a necessary condition for the conservation of momentum?

a)

constant mass

b)

a closed system

c)

a big room

d)

increased acceleration

11.

True or False. The formula for momentum is: Momentum = Weight x Velocity.

a)

true

b)

false

12.

If an eagle and a bumblebee are traveling at 8 km/hr, which has more momentum?

a)

the bumblebee

b)

the eagle

c)

They have the same momentum because they're traveling the same speed.

d)

Cannot calculate with the information available.

13.

True or False. There are two universal forces.

a)

true

b)

false

14.

According to Newton's law of universal gravitation, everything in the universe

a)

rotates around the moon.

b)

has a positive or negative charge.

c)

is attracted to each other.

d)

attracts and repels.

15.

A change in which of the following affects the weight of an object?

a)

momentum

b)

acceleration due to gravity

c)

velocity

d)

friction

16.

You push a box and are unable to move it. What force works opposite of your push?

a)

weight

b)

static friction

c)

air resistance

d)

sliding friction

Chapter 12 Forces

Total questions: 16

Worksheet time: 10mins

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