Work quiz

Work is a measure of

• how long it takes to do something

• energy transferred when something moves

• gravitational field strength

The unit for work is the

• Newton

• Joule

• kilogram

Work done = force x ________

• distance

• time

• mass

If I am holding a heavy box in my hand and not moving I am not doing work

• True

• False

• Depends how heavy it is

When I push a box along a floor

• chemical energy transfers to gravitational potential energy

• kinetic energy transfers to chemical energy

• chemical energy transfers to kinetic potential energy

Work done = _________ x distance

• mass

• power

• force

If a box is pushed 10m using a force of 10N how much work is done?

• 100J

• 100N

• 20J

• 20N

If a box is pushed with a force of 100N but does not move, how much work is done?

• 100J

• 100N

• 0J

• 0N

________ = force x distance

• weight

• mass

• work done