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3.3 Q&A

QuestionAnswer
TRUE OR FALSE- There are a total of 3 types of machines, False
TRUE OR FALSE- The forearm of the human body works like a third-class level True
TRUE OR FALSE-A wedge is a sloped surface that forces materials apart. True
What is a simple machine, and what are the six types of simple machines. A simple machine is doing work using only one motion. Lever wheel and axle inclined plane wedge screw pulley
What is a compound machine 2 or more simple machines that work together
How do you calculate the overall efficiency of a compound machine. you multiply the efficiency's together
Name 3 examples of a lever Wheel barrow, Tweezers, and a rake
Name 3 examples of a wheel and axle Steering wheel, screw driver, and roller skates
Name 3 examples of an inclined plane A loading ramp, A see-saw, and a wheelchair ramp
write L if it is or uses a lever, WH if it is or uses wheel and axle, I if it is or uses inclined plane, WE if it is or uses a wedge, S if it is or uses a screw, P if it is or uses a pulley. Roller Skates
write L if it is or uses a lever, WH if it is or uses wheel and axle, I if it is or uses inclined plane, WE if it is or uses a wedge, S if it is or uses a screw, P if it is or uses a pulley. Jar Lid
write L if it is or uses a lever, WH if it is or uses wheel and axle, I if it is or uses inclined plane, WE if it is or uses a wedge, S if it is or uses a screw, P if it is or uses a pulley. Nutcracker
A levers pivot point Fulcrum
An inclined plane wrapped around a cylinder Screw
A shaft that turns Axle
What is a compound machine 2 or more simple machines together
How can gears change the size and direction of a force. They can decrease the movement.
How is the efficiency of a compound machine calculated Multiplying each efficiency together.
Created by: knoxjad4022