Pick that Energy
Energy of Motion
Kinetic
What is the kinetic energy of a 1 kg truck that is travelling at 2 m/s?
2 J
How much work is done on a box that is pushed with a force of 8 N and travels a distance of 3 meters?
24 J
Capacity to do work or produce a change
Energy
What is the capital of New Jersey?
Trenton
Energy based on an object's height
Gravitational Energy
What is the gravitational potential energy of a 5 kg taco that is located 2 meters above the ground?
BONUS****
98 J
What is the power of a person who runs of a hill in 5 seconds if they use 35 Joules worth of energy?
BONUS****
7 W
Energy to or from an object
Work
How many noses does a slug have?
4
Light Energy
Radiant
What is the gravitational potential energy of a 4.5 kg book that is located on the top of a skyscraper, 322.3 meters above the ground.
14,213.43 J
The output work on a system is 800 J. The input work on the system is 950 J. What is the efficiency of the system?
84.2 %
The rate at which energy is transferred
Power
What US state has the longest coastline?
BONUS****
Alaska
Energy stored in the bonds between particles (foods, fats, fuels)
Chemical Energy
What is the kinetic energy of a bus travelling at 22 m/s and having a mass of 1200 kg?
290,400 J
A worker uses a pulley system to raise a 500 N rock a distance of 0.20 m. If the workers exerts 350 N worth of force over the span of 0.80 m, what is the output work?
100 J
Energy cannot be created or destroyed. In a closed system, total energy must be conserved. It can change form, but not the total amount of energy.
Conservation of Energy
Go into space
Energy that relates to the movement of particles in an object
BONUS****
Thermal Energy
What is the kinetic energy of a giant piece of grass that has a mass of 505.8 kg and is moving across the ground at 202.2 m/s?
10,339,776 J
A worker uses a pulley system to raise a 500 N rock a distance of 0.20 m. If the workers exerts 350 N worth of force over the span of 0.80 m, what is the input work?
280 J
The ratio of output work to input work
Efficiency
What has 13 hearts but no other organs?
A deck of cards