Work

The amount of work done is simply the amount of energy transferred

• True

• False

The more work that a force does, the more energy it transfers.

• True

• False

An apple falling from a tree, gravity pulls the apple downwards. which one is doing work?

• Gravity

• The apple

• The tree

In this situation, energy is being transferred to

• The box

• The girl

• The ground

Which requires more work?

• Lifting 10 kg of steel

• Lifting 15 kg of feathers

The amount of work (energy transferred) depends on: The size of the force, and the distance moved in the direction of the force.

• True

• False

There is no work done when you lift a heavy object from the ground

• True

• False

Mechanical energy can be kinetic ( due to motion ) and chemical energy

• True

• False

The two objects have the same force but object 2 was moved longer distance. which situation has more work?

• 1

• 2

• both are same