Definitions
Force
How do you find work?
Work = Force X Distance
A slanted flat surface (ramp) that objects moves across.
Inclined Plane
A ramp is an example of what simple machine?
Inclined Plane
When a object moves as a result of force on it.
Work
Name 3 simple machines
Lever
Pulley
Wheel and Axle
Inclined Plane
Screw
Wedge
Inclined plane wrapped around a cylinder.
Screw
Screw
A force that resists motion when the surfaces rub against each other.
Friction
It’s function is to reduce friction between 2 surfaces as they pass over each other. Wheels are not simple machines.
Wheel
Can be used to decrease the force needed to do a certain amount of work.
Lever
A bicycle is an example of what simple machine?
Wheel and Axle
A substance that reduces friction by smoothing bumps on surfaces.
Lubricant
Redirects force in order to lift an object.
Pulley
A machine that only requires manual force from people or animals.
Simple Machine
A crane is an example of what simple machine?
Pulley
What is an axle?
A shaft inserted into the center of the wheel.
Name the 4 parts of a lever
Fulcrum
Load
Effort
Arm/Beam
For each revolution the axle makes, _________________________
Complete the sentence.
The wheel makes one complete revolution.
Lever