Work and Power

True or false

You do work when you mannequin pose with an object in your hand.

• true

• false

Two factors that determine work are

• force

• acceleration

• mass

• distance

• velocity

work transfers

• sweat
• energy
• velocity
• effort

What is the formula for work?

• Force = work x distance
• Distance = force x work
• Work = force x distance
• Work = force x mass

If Jay Loppy pushes his van 20 meters how much work is done?

• 2,000J

• 40,000J

• 10,000J

• 800,000J

units of force are

• newtons

• grams

• joules

• meters

units for work are

• newtons

• joules

• meters

• seconds

Fred kicks a ball with a force of 20N to George, who is 5M away. How much work was done to the ball?

• 25J

• 100J

• 4J

• 75J

If 40N of force is applied to Rollo Koster's 10 kg cart over a distance of 50 meters, how much work is done?

• 8000J

• 8000N

• 4000J

• 2000J

If the mystery machine moves 100 meters how much work is done?

• 130,000,000J

• 70,000J

• 100,000J

• 30,000J