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6 Machines

Science

TermDefinition
Wheel and Axle A circular object on a pole as a center.
Lever A flat surface on a pivot called a fulcrum.
Screw Inclined Plane wrapped around a rod or cylinder.
Wedge 2 inclined planes used to split things.
Inclined Plane Ramp. The slanted surface. A hill.
Pulley A string over a wheel one side goes up and the other side goes down.
Balanced Forces Equal forces acting on a object in opposite directions the object either sits still or stays at a constant speed.
Unbalanced Forces A nonzero net force,which changes an objects motion (speed up, slow down, constant speed)
Gravity A force that pulls objects together.
Friction The force that one surface exerts on another when the two rub against each other friction always slows down motion.
Air Resistance Friction that is caused by air.
Speed The amount of times to cover a certain distance.
Velocity Speed in a giving direction.
Acceleration A change in velocity an object will speed up slow down or change direction.
Momentum Product of mass and velocity.
Newtons 3rd law If one objects exerts a force on another object, then the second object exerts a force of equal strength in the opposite direction on the first object.
How would you improve your machine? I would improve my Machine by......
Describe your steps on your machine. 1..... 2.... 3.... 4..... 5... 6...
Created by: 19miotac