Work,Energy, and Power
Kinetic and potential energy
Machines
100
The use of force to more an object some distance in the direction of the force.
What is Work
100
The energy of motion.
What is Kinetic Energy
100
Any device that helps people do work by changing the way work is done
What is Machine
200
How is work calculated?
What is Work=force x distance
200
How is the kinetic energy of an object calculated?
What is Kinetic Energy=1/2 x mv2
200
Six types of simple machines.
What are levers, wheels and axles, pulleys, inclined planes, wedges, and screws
300
The ability to do work.
What is Energy
300
The energy an object has because of its position, condition, or chemical composition.
What is Potential Energy
300
The number of times the machine multiplies the input force.
What is Mechanical Advantage
400
The rate at which work is done.
What is Power
400
The energy possessed by an object due to its motion and position
What is Mechanical Energy
400
A comparison of a machine's work out put with the work input.
What is Mechanical efficiency
500
How is power calculated?
What is Power=Energy/Time
500
Two factor that determine an objects gravitational Potential energy.
What is Energy+Mass
500
A simple machine that has a bar that pivots on a fixed point. ----------------------------------------------------------------- The fixed point that a bar pivots. ----------------------------------------------------------------- A simple machine that is made of a wheel connected to a smaller cylindrical object, the axle. ----------------------------------------------------------------- A simple machine that has a grooved wheel that holds a rope or a cable. ----------------------------------------------------------------- A simple machine that is a straight slanted surface.
What is Lever ----------------------------------------------------------------- What is Fulcrum ----------------------------------------------------------------- What is Wheel and Axle ----------------------------------------------------------------- What is Pulley ----------------------------------------------------------------- What is Inclined Plane
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