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Science20

Study on Simple Machines

QuestionAnswer
Name the 6 simple machines? Lever, Pulley, Screw, Inclined Planes, Wedge, and Wheel and Axel.
What is the 3 things needed in a lever? A fulcrum, load and force.
What is the formula for work? Force x Distance
What is the device that you use to measure force? A Springscale
What is the unit used to measure work? Joules
What is the unit to measure force? Newtons
How many classes of levers are there? There are 3 classes
What are the 3 types of friction? Starting, Rolling. and Sliding
What type of friction takes the most force? Starting
What type of friction takes the least amount of force? Rolling
What lever class would a wheelbarrlow be in? 2 class
What lever class would a bat be in? 3 class
What lever class would a see saw be in? 1 class
What kind of simple machine is a staircase? inclined plane
What kind of simple machine is a axe? Wedge
What kind of simple machine is a thumb tack? Wedge
Do all gears have teeth? No the do not
Is a wheel a simple machine without a axle? No it is not
Created by: abach17