MECHANICAL: Kinetic and Potential energy calculations

Front

What is the formula for calculating kinetic energy?

Back

KE = 1/2 * m * v^2, where m is mass and v is velocity.

Front

What is the kinetic energy of an object with a mass of 5 kg moving at a speed of 3 m/s?

Back

22.5 J

Front

Energy due to position or condition is called ____________ energy.

Back

Potential energy.

Front

What is the definition of work in physics?

Back

Work is a force exerted over a distance to move an object.

Front

What is the SI unit for energy?

Back

Joules (J).

Front

What is the SI unit for power?

Back

Watts (W).

Front

How do you calculate power?

Back

P = W/t, where W is work and t is time.

Front

What is the relationship between work and energy?

Back

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

Front

If an object is at rest, what type of energy does it have?

Back

Potential energy.

Front

What happens to kinetic energy if the speed of an object doubles?

Back

The kinetic energy increases by a factor of four.