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# s8p3 a-c

### srack

TermDefinition
force a push or pull exerted on an object in order to change the motion of the object Force has sides are in Direction
motion an object in position relative to a reference point
reference point a stationary object that is used to describe an object's motion
speed the distance that is traveled divided by the time interval during which the motion occurred
velocity the speed on an object in a pictacular direction
acceleration the rate at which velocity changes over time an object accelerates it its speed direction or both changes
friction a force that oppose motion between two surfaces that are in contact
net force the combination of all of the forces acting on an object
balanced force stated when the net force acting on an object equal zero
unbalanced force stated when the net force acting on an object
inertia The tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until and outside force acts on the object.
gravity a force of attraction between objects that is due to their masses
work activity involving mental or physical effort done in order to achieve a purpose or result.
machine a device that helps to work either but overcoming a force by changing the direction of the applied force
inclined plane a simple machine that is straight slanted surface which facilities the rising of levels of rent
wedge a simple machine that is made up of two inclined planes that are that moves often used for cutting
screw a simple machine that consists of an inclined plane wrapped around a cylinder
lever a simple machine that consists of a bar that pivots at a fixed Point called a fulcrum
pulley A simple machine that is a wheel with a grooved rim in which a rope can run to change the direction of the force that lifts a load.
wheel of axie a simple lifting machine consisting of a rope that unwinds from a wheel onto a cylindrical drum or shaft joined to the wheel to provide mechanical advantage.
Created by: saliabunny