Forces Quiz

What is the SI unit of energy?

• Joules
• Jewels
• Newtons
• Meters

What is the force of earth's gravity rounded to?

• 10
• 9.8
• 10 m/s
• 9.8 m/s
• 10m/s^2

A 35 Kg couch is pushed sideways across a floor 3.5 meters. What is the amount of work being done? Check the CLOSEST answer

• 122 Joules
• 122 Newtons
• 10 Joules
• 10 Newtons
• 0.1 Joules

If a car travels 200 km in 90 minutes, how fast is it going? click the closest answer

• 133 km/hr
• 2.22 km/hr
• 133 joules/sec^2
• 2.22 mph

A person in Australia and another in Idaho each drop a rock at the same time, which direction will the rocks travel? click all that apply

• east
• towards each other
• quantum entanglement will not allow this to be calculated
• West
• none of these

Both Superman and Mr White have a mass of 100 Kg each. Mr White takes the elevator up to the top of a 200 meter building, Superman flies to the top. Which one of them has used more ENERGY to get there.

• Mr White
• Superman
• same

Both Superman and Mr White have a mass of 100 Kg each. Mr White takes the elevator up to the top of a 200 meter building, Superman flies to the top. Which one of them has used more Power to get there.

• Superman
• Mr White
• same
• neither one

Superman has a mass of 100 Kg. What is Superman's gravitational potential energy while standing on top of that 200 meter tall building?

• 200,000 Joules
• 2000 joules
• 2 joules
• 20 joules
• 50 joules

a lever has a mechanical advantage of 5 to 1. 20 newtons of force are applied downward by Mr. White when he pushes on one end, how much force is applied by the lifting side.

• 100 newtons
• 4 newtons
• 400 newtons