Work
Machines
Energy
Miscellaneous
100
This is when work is done on an object.
When a force is exerted on an object and that object moves some distance in the direction of the force?
100

The force being applied to a machine.

What is input force?

100
This is the definition of energy.
What is the ability to do work or cause change?
100

How would you calculate an object's mechanical energy?

Add its kinetic and potential energies.

200

This is the unit for work.

What is a Joule?

200

The force applied by a machine.

What is output force?

200
This is the unit for energy.
What is a Joule?
200
This is the Law of Conservation of Energy.
What is energy cannot be created or destroyed, only transferred?
300
This is the equation to find work.
What is Work = Force X Distance
300

What do machines do?

Change the amount of force you exert or the distance over which you exert the force.

300
This is the energy of motion.
What is kinetic energy?
300
This is the energy found in rubber bands and springs.
What is elastic potential energy?
400

True/False: Work is done when you carry your book bag to school.

What is false? 

400
You push a box using 10 Joules of work in 5 seconds. This is your power.
What is 2 watts?
400

Energy stored in a chemical bonds.

What is Chemical Potential Energy?

400

What is the equation for power?

Power = Work / Time

500
You need to push a box that weighs 20 N a distance of 5 meters. This is how much work you did on that box.
What is 100 Joules?
500

You move an 8-newton weight five meters in 4 seconds. How much power have you generated?

What is 10 watts? 

500

Rubbing your hands together on a cold day to stay warm.

What is an example of mechanical energy into thermal energy?

500

These are the six simple machines.

What are lever, pulley, wheel and axle, inclined plane, screw, and wedge?

M
e
n
u