Energy, Work, and Power Unit Test

Front

What happens to the kinetic energy of an object if its mass is doubled?

Back

The kinetic energy increases by a factor of 2.

Front

At which point does a roller coaster have the most kinetic energy assuming no friction?

Back

At point D.

Front

When energy moves from one form to another, it is said to be __________.

Back

Transformed.

Front

Calculate the kinetic energy of a 1.6 kg volleyball moving at 25 m/s.

Back

500 J.

Front

What type of energy do sails on sailboats take advantage of?

Back

Kinetic energy of air.

Front

Define kinetic energy.

Back

The energy an object possesses due to its motion.

Front

What is the formula for calculating kinetic energy?

Back

KE = 1/2 mv², where m is mass and v is velocity.

Front

What is potential energy?

Back

The energy stored in an object due to its position or state.

Front

How does height affect potential energy?

Back

Potential energy increases with height.

Front

What is the relationship between work and energy?

Back

Work is done when energy is transferred from one system to another.