Kinetic and Potential Energy

The SI unit for work and energy.

• Joule

• Watt

• KE

• None of these

This law states that the momentum of any closed, isolated system does not change.

• Law of conservation of energy

• Newton's 1st law.

• Law of conservation of momentum

• None of these

The transfer of energy when a force is applied through a distance.

• Watt

• Work

• None of these

• Energy

The force a user exerts on a machine.

• Ideal force

• Resistance force

• None of these

• Effort force

The force exerted by a machine.

• Work

• Energy

• Resistance force

• None of these

A device that makes work easier.

• Machine

• Force

• Effort

• None of these

The ratio of output work to input work.

• Effort

• Watt

• Efficiency

• None of these

Which type of energy has the formula mgh?

• Potential energy

• Kinetic energy

• Plain energy

• None of these

Tags

NGSS.MS-PS3-2

The energy of a system that is associated with motion.

• Plain energy

• None of these

• Potential energy

• Kinetic energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The rate at which energy is transformed.

• Efficiency

• Power

• Resistance

• None of these