# Science: Motion--forces At Work

10 Questions | Total Attempts: 33  Settings  .

• 1.
To find a runner's speed, you need to know the distance he or she ran and the ____
• A.

Gravity

• B.

Runner's weight

• C.

Acceleration

• D.

Time it took

• 2.
When you watch a football game from a seat near the top of the stadium, your position and all the things around you are part of your____.
• A.

Gravity

• B.

Motion

• C.

Frame of reference

• D.

Newton

• 3.
When you push a grocery cart, you are exerting_____.
• A.

Speed

• B.

Position

• C.

Force

• D.

Friction

• 4.
Motion is stopped and started by____.
• A.

Speed

• B.

Forces

• C.

Postion

• D.

Frame of reference

• 5.
Riding down a hill on your bicycle, slowing down, and turning are all examples of____.
• A.

Position

• B.

Weight

• C.

Frame of reference

• D.

Acceleration

• 6.
To go faster on a skateboard, you need to push it with more force or push with the same force for____.
• A.

A shorter time

• B.

The same time

• C.

A longer time

• D.

Only 3 seconds

• 7.
To measure force, you can use a____.
• A.

Speedometer

• B.

Thermometer

• C.

Satellite

• D.

Spring scale

• 8.
Which of the following can you probably pick up by exerting one newton of force?
• A.

Elephant

• B.

Apple

• C.

Car

• D.

Bicycle

• 9.
On the moon, a dog would weigh____.
• A.

More than it would on the Earth

• B.

The same as it would on the Earth

• C.

Less than it would on the Earth

• D.

Three times as much as it would on the Earth Back to top