Science Quiz

The unit of work is the ...

• joule
• force

The unit of power is the...

• work
• watt

The FARTHER you move an object, the more work you do.

• True
• False

Which of these is a measure of force?

• 100 newtons
• 100 meters per second
• 100 joules
• 100 watts

For a force to do work on an object, ______ of the force must act in the same direction as the object moves.

• all

• some

• half

If there is no movement, no work is done.

• True

• False

Any part of a force that does not act in the direction of motion...

• does no work on the object

• does some work on the object

Force is a _____ or _______

• simple    complex
• push     pull
• up      down
• in      out

In which of these cases is work being done? 

• A student sleeps
• A student pushes a locked door that does not move
• a student carries his chair into another room
• A student sits on the carpet

If you push very hard on an object but it does not move, has work been done?

• Yes
• No