Work
Power
Levers
Simple Machines
Figure It Out
100
Work equals force times distance
What is the formula for work
100
Power is work divided by time
What is the formula for power
100
A rod with a fulcrum.
What is a lever?
100
Wedge
What is a simple machine with two inclined planes together?
100
Input force, fulcrum, and load
What are the three parts of a lever?
200
Joules
What is the units for work
200
Watts
What is the units for power?
200
1st class lever
What lever has the fulcrum in the center?
200
Pulley
What is a wheel with a groove for a rope.
200
Hammer for nailing
What is a third class lever?
300
If the force decrease then the distance increases due to the force distance trade off.
What happens when a machine decreases the force?
300
This the the time it takes to get work done.
What is power
300
2nd class lever.
What lever has the load in the center?
300
Inclined plane
What is a ramp called as a simple machine?
300
Screw driver on a paint can.
What is first class lever?
400
100 J on a 10 newton brick
What work is done if a 10 newton brick is moved 10 meters?
400
100 watts if it takes 10 seconds
What is the power for 1000 newtons of work in 10 seconds?
400
3rd class lever.
What lever has the force input in the center?
400
Screw
What is an inclined plane wrapped around a cylinder?
400
Hammer pulling a nail.
What is first class lever?
500
220 Joules for a 10 newton brick
What is the work done if a 10 newton brick moves 22 meters
500
25 watts if work done is 25 joules
What is the power for 25 joule of work in 1 second?
500
MA is 3 for a 20 meter lever.
What the MA of a lever using 15 meters from the fulcrum to the input and 5 meters from the fulcrum to the load?
500
MA less than one.
What is the MA of a useless simple machine?
500
7 strings between the block and tackle pulleys.
What is the Mechanical Advantage of a block and tackle system?
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