Work and Energy Quizizz

What is a force?

• a push or a pull
• a force that slows or stops an object in motion

What is the unit used to measure work?

• Joule
• Watt
• Newton

 Work done = Force x _________

• a. distance
• b. acceleration
• c. velocity

What kind of energy is in a moving skateboard?

• Potential
• Kinetic

What kind of energy is in a rock at the edge of a cliff?

• Potential
• Kinetic

If W=Fd
Then how much work is done if it takes 20N to move a box 10 meters

• 0
• 2
• 20
• 200

In which of the following situations do your arms do work on books?

• holding a heavy stack of books while standing
• carrying a heavy stack of books
• picking up a pile of books from the floor

The _______ is the SI unit of energy.

• watt
• joule
• ampere

When work is done, there is always a(n) _______.

• single movement involved
• transfer of energy
• increase in the mechanical advantage

If you exert a force of 10.N to lift a box over 1 m how much work do you do.

• 10
• 5
• 20