What Is Power

The unit of work is

• watt

• hertz

• joule

• pascal

What is the unit for power?

• what

• watt

• joule

• Jewel-Osco

Which requires more work – a person walking up stairs or a person running up stairs?

• walking

• running

• they require equal work

• no work is required for either because the movement is vertical

Tags

NGSS.MS-PS3-5

Which requires more power – a person walking up stairs or a person running up stairs?

• walking

• running

• they require equal power output

• no power is required at all

Work divided by time equals...

• energy
• power

The unit of work is the ...

• joule
• force

The unit of power is the...

• work
• watt

Work is done on an object when the object moves in the SAME direction in which the force is applied.

• True
• False

The more POWER you use to move an object, the more work you do. 

• True
• False

If you lift a box from the floor to a height of 1m and then carry the for for 10m, you do work only when you CARRY the box.

• True
• False

Tags

NGSS.HS-PS2-1