Work and Power

Front

What is the formula for calculating work?

Back

Work (W) = Force (F) × Distance (d) Where: - Work is measured in joules (J) - Force is measured in newtons (N) - Distance is measured in meters (m)

Front

What are the units for work?

Back

The unit for work is joules (J).

Front

What does work transfer?

Back

Work transfers energy.

Front

True or False: You do work only when you exert a force on an object and move it.

Back

True.

Front

What is power?

Back

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

Front

What are the units for power?

Back

The unit for power is watts (W), where 1 watt = 1 joule/second.

Front

If a force of 50 N moves an object 3 m, how much work is done?

Back

Work = Force × Distance = 50 N × 3 m = 150 J.

Front

What is the relationship between work and energy?

Back

Work done on an object results in a change in energy of that object.

Front

What is the difference between work and power?

Back

Work is the total energy transferred, while power is the rate at which that work is done.

Front

How does increasing the distance affect the work done if the force remains constant?

Back

If the force remains constant, increasing the distance increases the work done.