Energy

Definitions

100

The rate at which work is completed

What is power?

200

The amount of energy based on position due to gravity.

What is potential energy?

300

Applying force over a length of a distance

What is work?

400

Energy cannot be created nor destroyed only transferred. 

What is law of conservation of energy?

500

The total amount of energy within a system

What is mechanical energy?

Concepts

100

Which objects would have the highest Potential Energy. An object on Earth with a gravity of 9.8 m/s/s. Or on Jupiter with a gravity of 24.79 m/s/s?

What is Jupiter

200

If a skater had a PE of 700 J on top of a ramp, what is the kinetic energy of the skater at the bottom of the ramp?

What is 700 J

300

Which situation involves the most power. Moving a heavy or light object quickly or slowly across the floor.

What is heavy and quickly.

400

What is the appropriate unit for power.

What is Watts?

500

Students measured themselves climbing a staircase three different times. Once by walking, once by jogging, and once by sprinting. Which of the following involves the most work?

What is none of them? Work is all the same.

Math!

100

Calculate the amount of work required to move an object 80 meters with a force of 55 N.

What is 4,400J?

200

The amount power in a system with 1750 J of work done over 20 s

What is 87.5 W

300

The PE of an object that has a mass of 8kg and it is sitting on top of a hill that is 200 m high.

What is 15680 J?

400

What is the amount of force if a total of 6620 J of work were put into a system over a distance of 120 m?

What is 55.16 N?

500

What is the kinetic energy of an object if it has a mass of 67kg and a velocity of 4 m/s

What is 536 J?

Guess the Number

100

The acceleration on Earth due to gravity is? Within 1 number!

What is 9.8 m/s/s

200

Number of countries in the world, within 10.

What is 195?

300

How many medals will be handed out during the summer Olympics? Within 20

What is 339?

400

Number of quills on a porcupine? Within 5,000

What is 30,000 quills?

500

The smallest positive integer number with the letter "a" in it.

1,000

Hard Math (Double Points)

100

How long would it take for an engine that applies 8,000 W of power for 128,000 J of work.

What is 16s

200

The amount of power required for an object to be moved 75m with a force of 20N in a total of 15 seconds.

What is 100W?

300

A ball is dropped on a random planet for fun. The gravity potential on the planet is 72 m/s/s. The mass of the object is 20 kg and the objects KE was measured to be 5,000 J at the very bottom of the fall. How high was the object dropped from?

What is 3.4 m?

400

Whats the mass of an object whose velocity is at 7 m/s with a kinetic energy of 35000 J

What is 1428 kg

500

What was the velocity of an object that had a kinetic energy of 52,000 J and a mass of 120 kg.

What is 29.3 m/s?