Show:
Work & Power
Simple machines
Energy examples
Forms of Energy
GUESS
100
A force applied over a distance is
Work
100
A device that changes a force
Machine
100
Coal
Nonrenewable
100
Energy stored in the atomic nucleus
Nuclear
100
What are the units used for the equations this unit
Joules & Watts
200
2 types of energy that are either stored or in motion
Kinetic and Potential
200
Machines are never 100% efficient because there is this present
Friction
200
Solar
Renewable
200
Energy associated with charged particles
Electrical
200
A horse pushes a buggy 20 m with a force of 5 N. How much work was done?
100 J
300
Energy cannot be created or destroyed is stated by the
Law of conservation of energy
300
An inclined plane wrapped around an axis
Screw
300
Oil
Nonrenewable
300
Energy that travels through space in the form of waves
Electromagnetic
300
A kangaroo is holding its 20 kg baby in its pouch 2 m off the ground. What is the total potential energy of the baby kangaroo?
392 J
400
The ability to do work is
Energy
400
The fixed point a lever rotates around (levers)
Fulcrum
400
Nuclear fusion
Renewable
400
Energy that is stored in bonds between atoms
Chemical
400
How much power does Mr. Yaz have if he does 500 J of work in 5 seconds?
100 W
500
The rate of doing work is
Power
500
List the 6 types of simple machines
Lever, Wheel and axle, inclined plane, wedge, screw, & pulley
500
Biomass
Renewable
500
The total kinetic and potential energy of microscopic particles
Thermal
500
James throws a 5 kg frisbee at 20 m/s. What is the kinetic energy of the frisbee?
1000 J