Work, Energy, & Power Basics

Energy is measured in ...

(select all that apply)

• Newtons

• Joules

• Watts

Work is ...

(select all that apply)

• a type of energy.

• a transfer of energy.

• a transformation of energy.

Tags

NGSS.HS-PS3-3

If an object speeds up, then

• positive work is being done

• no work is being done

• negative work is being done

• More information is needed to answer.

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

NGSS.HS-PS3-3

If an object slows down, then

• positive work is being done

• no work is being done

• negative work is being done

• More information is needed to answer.

Tags

NGSS.HS-PS3-1

If an object moves up, then

• positive work is being done

• no work is being done

• negative work is being done

• More information is needed to answer.

Tags

NGSS.HS-PS3-1

If an object moves down, then

• positive work is being done

• no work is being done

• negative work is being done

• More information is needed to answer.

When you lift, lower, or carry an object, the force you need to apply (on average) is

• more than the object's weight

• the same as the object's weight.

• less than the objects weight.

Tags

NGSS.HS-PS2-1

A moving object has kinetic energy. If the object was moving at the same speed, but had twice the mass, the kinetic energy would be

• 4 times as much.

• twice as much.

• the same.

• half as much.

• one-quarter as much.

A moving object has kinetic energy. If the same object was moving at twice the speed, the kinetic energy would be

• 4 times as much.

• twice as much.

• the same.

• half as much.

• one-quarter as much.

Tags

NGSS.HS-PS3-2

It takes work to lift an object from the floor on to a shelf. If instead the object was moved to a shelf twice as high, the work required would be

• 4 times as much.

• twice as much.

• the same.

• half as much.

• one-quarter as much.