Calculating work can be done by using this equation.
What is Force X Distance?
100
Calculating power can be done using this formula.
What is work / time? (Work divided by time.)
100
Calculating potential energy can be done using this formula.
What is mass x gravity x height?
100
Kinetic energy can be calculated using this formula.
What is 1/2 m x v^2?
100
These are two families of simple machines
What is inclined planes and levers?
200
This unit is used to represent the value of work.
What is a Joule?
200
The units of power are represented by this unit.
What is watt?
200
The units used to represent potential energy.
What is Joule?
200
The units used to represent Kinetic Energy.
What is Joule?
200
This is a specific example of a simple machine.
What is screw driver, elevators, door handles, wheelbarrow, etc?
300
The work used to move a 190 N child a distance of 2 m.
What is 380 J?
300
How much power is used to lift a 100 kJ elevator in 20 seconds.
What is 5 kW?
300
If a 65 kg rock climber is at a height of 35 m and would contain this given amount of potential energy.
What is 2.2 x 10^4 J?
300
A 44 kg cheetah runs with a velocity of 31 m/s contains this amount of kinetic energy.
What is 2.1 x 10^4 J?
300
This is the reasons for screws OR wedges for being classified as inclined planes.
What is wedges are mobile inclined planes OR screws are inclined planes wrapped around a cylinder?
400
The amount of work done by a 218 N book sitting on a shelf.
What is 0 J?
400
Student 1 does his work in 5 minutes. Student 2 does his work in 10 minutes. If both students are doing the same amount of work, this student uses more power.
What is Student 1?
400
A ball thrown up in the air would have maximum, minimum or zero potential energy at the top of its arc.
What is MAXIMUM?
400
Kinetic energy is most affected by this value.
What is velocity?
400
This reason is given for pulleys being classified as a lever.
What is the center of the pulley is the fulcrum and the rope or the chain is the arm of the lever?
500
Machines make work easier in this way.
What is increasing the distance and decreasing the amount of input force?
500
The relationship between work and power.
What is power is the rate at which work is done?
500
If a box was sitting at the top of a ramp, you could increase its potential energy in this way.
What is increasing its mass OR increasing the height of the ramp?
500
If an box is being rolled down a ramp, you could increase its kinetic energy in this way.
What is increase its mass OR increase its velocity?
500
These are identified as the six types of simple machines.
What is wedge, inclined plane, screw, wheel and axle, pulley and lever?