Work and Energy

The sum of kinetic and potential energy is called...

• sum energy

• nonmechanical energy

• mechanical energy

• space energy

Tags

NGSS.HS-PS3-2

The total amount of energy

• varies

• can cancel out to zero

• goes out into space

• remains constant

Tags

NGSS.HS-PS3-4

work is done when

• the object you apply a force on moves

• any force is applied to an object, regardless if it moves or not

• the force is zero

• the force and direction of motion are perpendicular

Tags

NGSS.HS-PS2-1

Which form of energy is involved in a pencil falling from a desk?

• kinetic

• nonmechanical

• gravitational potential

• elastic potential

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

An object in motion

• potential energy

• elastic potential energy

• nonmechanical energy

• kinetic enerty

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Energy stored due to the interactions between objects

• potential

• positional

• total

• kinetic

Tags

NGSS.MS-PS3-2

What is the rate at which energy is converted?

• potential energy

• kinetic energy

• mechanical energy

• power

Tags

NGSS.MS-PS3-5

The ability to do work is called

• energy

• force

• power

• machine

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A device that changes the force or increases the motion from work is a

• computer

• engineer

• automobile

• machine

Tags

NGSS.MS-PS2-2

All are examples of a simple machine EXCEPT

• a lever

• a pulley

• motor

• wheel and axle