Power and Energy

This is a rate of doing work.

• Joules

• Power

• Energy

• Work

What's the formula for potential energy?

Tags

NGSS.MS-PS3-2

This is the measure of energy transferred to an object through force along a displacement.

• Kinetic Energy

• Work

• Power

• Potential Energy

Tags

NGSS.MS-PS2-2

Potential energy is expressed in joules

• True

• False

Tags

NGSS.MS-PS3-2

Watt is the SI unit of –

• Power

• Force

• Work

When work is done in the body,

• it loses energy

• it gains energy

• its energy remains constant

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

In order to do work, energy is

• lost

• transferred or converted

• used up

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

When a body Falls freely then the...

• Its potential energy is converted into kinetic energy.

• Its mechanical energy is converted into heat energy

• Its kinetic energy is converted into potential energy

Tags

NGSS.MS-PS3-5

Power is defined as

• p = t/W, where t is time and W is work

• p = W/d, where W is work and d is the distance

• p = W/t, where W is work and t is time

A compressed spring possesses

• Elastic Potential Energy

• Gravitational Potential Energy

• Kinetic Energy

Tags

NGSS.MS-PS3-2