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Work and Power
Energy
Energy II
Calculations
Random
100
The product of the component force acting in the direction of motion
What is WORK
100
The energy of motion
What is KINETIC ENERGY
100
The equation that expresses the work-kinetic energy theorem
What is W net = change in KE
100
The kinetic energy of a soccer ball with a mass of 2 KG and traveling at 4 m/s
What is 16 J
100
The SI unit of measure for FORCE
What is NEWTON
200
The unit of measure for work
What is JOULE (J)
200
The two categories energy can be divided into
What is KINETIC AND POTENTIAL
200
The form of energy involved in weighing things with a spring scale
What is elastic potential energy
200
A 100 W light bulb was lit for 2 hrs. How much work was done
What is 720,000 J
200
The SI Unit of measure for POWER
What is WATT
300
The rate at which work is done is known as
What is POWER
300
the something that enables us to do work is known as
What is ENERGY
300

Friction converts kinetic energy into this

What is a Thermal Energy

300
Using a force of 100 N a box is pushed 22.5 m. How much work was done?
What is 2250 J
300

The ratio of actual mechanical advantage to ideal mechanical advantage which is always less than 1

What is EFFICIENCY

400

Inclined planes, pulleys, wheel and axels, wedges, screws, and levers

What are simple machines

400
The energy due to elevated positions and relative to a chosen reference zero level
What is GRAVITATIONAL POTENTIAL ENERGY
400
The number of watts in one hp
What is 746 W
400
A rocket launches with a kinetic energy of 300,000 J and a mass of 150 Kg. What is the velocity of the rocket?
What is 63.2 m/s
400

These two simple machines are also examples of inclined planes that are used in a different way.

What are wedge and screw

500
The Law of Conservation of Energy
What is ENERGY CANNOT BE CREATED NOR DESTROYED ONLY TRANSFORMED
500
The combination of kinetic and potential energy resulting from the force of gravity or the movement or release of a machine component
What is MECHANICAL ENERGY
500

The type of energy a child has when they are on a swing at the very top of there swing path.

What is gravitational potential energy

500
A book with a mass of 5 Kg is held out a window that is 15 m high. What is the gravitational potential energy of the book?
What is 735 J
500
The inventor of the steam engine and the person for whom the SI unit of measure for power is named after
Who is JAMES WATT