Work and Power

Front

What is the formula for WORK?

Back

Work = force x distance

Front

Fill in the blank: ________________ is the rate at which work is done.

Back

Power

Front

Which scenario involves more work done? Pushing a 20 kg table, 0.5 meters horizontally or Lifting a 10 kg box, 2 meters vertically?

Back

Lifting a 10 kg box, 2 meters vertically

Front

What is the unit for measuring Work?

Back

Joules

Front

What is the relationship between Power and Time?

Back

Power is greater when the Time is quicker

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?

Back

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

Front

What is the formula for Power?

Back

Power = Work / Time

Front

What is the SI unit of Power?

Back

Watt (W)

Front

If 100 Joules of work is done in 5 seconds, what is the Power?

Back

Power = 100 J / 5 s = 20 W