Work
Power
Machine Function
Simple Machines
Using Formulas
100
transfer of energy that occurs when force is applied over a distance
What is work
100
The friendly ghost
Who is Casper
100
something that makes work easier
What is a machine
100
does work using only one movement
What is a simple machine
100
Work: 3N over 5 m
What is 15 (J)
200
how to label work
What is joule (J)
200
rate at which work is done
What is power
200
work that you put into the machine
What is input work
200
a simple machine made up of a bar that pivots, or rotates about a fixed point.
What is a lever
200
Efficiency: 25 J output work and 100 J of input work.
What is 25%
300
direction object must move in order to say work is done
What is same as force being applied
300
how to label power
What is watts (W)
300
ratio of output work to input work, written as a percentage
What is efficiency
300
the point that a lever pivots on
What is a fulcrum
300
Mary Shelly wrote this story in 1818- a popular and classic Halloween character
Who is Frankenstein
400
formula for work
What is force X distance
400
formula for power
What is work / time
400
ratio of machine's output force to input force
What is mechanical advantage
400
flat sloped surface- includes wedges and screws
What is an inclined plane
400
Power: A force of 10N pushing an object 6 m in 5 seconds
What is 12W
500
Wednesday Addams brother's name
What is Puglsey
500
Century the Salem witch trials were in
What is 17th century (1692)
500
2 of 3 ways machines make work easier
What is change direction of force, change distance force is applied, or change size of force (amount)
500
2 or more simple machines working together- name all 6 and vocab term defined
What is a compound machine- lever, pulley, wheel and axle, wedge, screw, and incline plain
500
MA of a wheel and axle: the diameter of the wheel is 30cm and the radius of the axle is 5 cm.
What is 3
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