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I make work easier
simple machine
I increase distance but reduce effort
inclined plane
I change the direction of the force
pulley
I have a fixed point called a fulcrum
lever
I split objects
wedge
I join objects together
screw
What type of machine is a door knob?
wheel and axle
What type of machine is a wheel barrow?
2nd class lever
What type of machine is a broom?
3rd class
How do you solve for work?
W = f x d
The rate at which you do work
power
What is the product of output force divided by the input force?
Mechanical Advantage (MA)
True or False: A land mower is a machine that is 100% efficient.
False
