Work, Power, Simple Machines

Front

What is the law of conservation of energy?

Back

Energy cannot be created or destroyed, only converted from one form to another.

Front

What are the units for work?

Back

Joules (J)

Front

Which action is an example of work being done?

Back

Picking up a pencil.

Front

What are the units of force?

Back

Newtons (N)

Front

Which of the following is the best example of work being done?

Back

Lifting a box.

Front

Define work in physics.

Back

Work is done when a force causes an object to move in the direction of the force.

Front

What is power in the context of physics?

Back

Power is the rate at which work is done or energy is transferred.

Front

What is the formula for calculating work?

Back

Work = Force x Distance (W = F x d)