Work, Energy, Mechanical Energy, Conservation

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

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NGSS.HS-PS1-4

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

An object in motion

• potential energy

• elastic potential energy

• nonmechanical energy

• kinetic enerty

Tags

NGSS.HS-PS2-1

Energy stored due to the interactions between objects

• potential

• positional

• total

• kinetic

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

What is the rate at which energy is converted?

• potential energy

• kinetic energy

• mechanical energy

• power

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NGSS.HS-PS3-3

NGSS.HS-PS1-5

The ability to do work is called

• energy

• force

• power

• machine

A moving van burns gasoline in its engine. During this process it converts

• chemical energy to mechanical energy

• kinetic energy to potential energy

• thermal energy into electrical energy

• mechanical energy into kinetic energy

Tags

NGSS.HS-PS3-3

A juggler is juggling four bean bags. When does each bean bag have the greatest potential energy with respect to the floor?

• just after it is thrown

• just before it is caught

• when it reaches its highest point

• when it is moving at its greatest speed

Tags

NGSS.HS-PS3-2

NGSS.HS-PS2-4

What is the unit of report for energy?

• Joules

• meters

• newtons

• grams