Work And Power

What is the unit for power?

• Joules

• Meters

• Watts

• Seconds

What is the unit for work?

• Watts

• Joules

• Force

• Time

What is the formula for work?

• Work = Force/Distance

• Work = Force + Distance

• Work = Force - Distance

• Work = Force x Distance

What is the formula for power?

• Power = Work/TIme

• Power = Work + Time

• Power = Work - Time

• Power = Work x Time

How much work is being done when a box is pushed 30 Newtons straight for 7 meters?

• 4.28571428571 Joules

• 21 Joules

• 210 Joules

• 37 Joules

If a desk is being moved at a force of 480 Newtons with the work being 3,840 Joules, how far did the desk move?

• 6 meters

• 8 meters

• 5 meters

• 7 meters

A person rides a bike and puts out 120 Joules of work in 8 seconds. What is the power being produced?

• 10 Watts

• 25 Watts

• 17 Watts

• 15 Watts

How much time is needed to produce 2,450 joules of work if 70 watts is applied?

• 45 seconds

• 30 seconds

• 33.5 seconds

• 35 seconds

What is another unit for watts?

• Joules per minute

• Joules per second

• Joules

• Joules per hour