GPE and KE

GPE and KE

In this quiz you may have to use the equation.

Write it down on a scrap piece of paper to use later!

You will also need this equation - don't forget it is velocity SQUARED!

Write it down for use later!

In this quiz you may have to use the equation.

Write it down on a scrap piece of paper to use later!

Multiple Choice

What kind of energy would you find in an object high above the ground?

• Gravitational Potential

• Kinetic

• Thermal

• Chemical

Multiple Choice

An 2 kg apple is hanging in a tree, 10 ft off the ground. What is the gravitational potential energy of the apple?

• 19.6 J
• 20 J
• 98 J
• 196 J 

Multiple Choice

A car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. What is the KE of the car?

• 22,400 J
• 44,800 J
• 896,000 J
• 1,792,000 J

Multiple Choice

There is a bell at the top of a tower that is 45 m high. The bell weighs 100 kg. What is the potential energy of the bell?

• 980 J
• 441 J
• 4,500 J
• 44,100 J

Multiple Choice

You serve a volleyball with a mass of 2 kg. The ball leaves your hand with a speed of 30 m/s. What is the KE of the ball?

• 900 J
• 1800 J
• 60 J
• 30 J

Multiple Choice

A 0.40 kilogram bird is flying at a constant speed of 8.0 m/s. What is the bird's kinetic energy ?

• 3.2 J
• 4.2 J
• 2.0 J
• 12.8 J

Multiple Choice

____________ is the ability to cause change. 

• Energy 
• Force 
• Friction
• Motion

Multiple Choice

Energy is measured using which unit?

• Grams
• Meters
• Watts
• Joules

Multiple Choice

In order to INCREASE the potential energy of an object, you need to:

• put the object lower to the ground
• raise the object higher

Multiple Choice

At which point is kinetic energy greatest? 

• W
• X
• Y
• Z

Multiple Choice

At which point is potential energy greatest?

• W
• X
• Y
• Z

Multiple Choice

When figuring GRAVITATIONAL POTENTIAL energy, what matters more?

• speed

• height

• amount of fur

Multiple Choice

Choose the answer that has the most GRAVITATIONAL POTENTIAL energy.

• a 500 kg boulder on a 5 meter hill

• a 500 kg boulder on a 10 meter hill

• a 500 kg boulder on a 20 meter hill

Multiple Choice

What two factors affect kinetic energy?

• mass

• speed

• height

• mass and speed

• mass and height

Multiple Choice

Choose the answer that has the most GRAVITATIONAL POTENTIAL energy.

• a car going 10 kmph on top of a mountain

• a car going 15 kmph on the 3rd floor of a parking garage

• a car going 20 kmph on an interstate ramp

Multiple Choice

Choose the answer that has the most GRAVITATIONAL POTENTIAL energy

• a bird flying 7 kmph 3 meters off the ground

• a bird flying 7 kmph 6 meters off the ground

• a bird flying 10 kmph 3 meters off the ground