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vocab for science

Force a push or pull exerted on an object in order to change the motion of the of the;force has size and direction
Motion an object's change in position relative to a reference point
Reference point a stationary object that is used to descibe an object's motion
Speed the distance traveled divided by the time interval during which the motion occurred
Velocity the speed of an object in a particular direction
acceleration the rate at which velocity changes over the;an object accelerates if its speed,direction,or both changes
Friction a force that opposes motion between two surfaces that are in combat
Net Force the combination of all of the acting on an object equal zero
Blance Force stated when the net forces acting on an object equal zero
Unbalanced force stated when the net force acting on an objects is not zero
Inertia the tendency of an object's to
Gravity a force of attraction between objects that is due to their mass
Work the transfer of energy to an object by using a force that causes the objects to move in the direction of the force
Machine a device that helps do works either by overcoming a force or changing the direction of applied force
Inclined plane a simple machine that is a straight,slanted surface,which facilitates the raising of loads;a ramp
Wedge a simple machine that is made up of two inclined plane wrapped 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 fulcrum
Pulley a simple machine that consists of a wheel over which a rope, chair,or wire passes
Wheel and axle a simple machine consisting of two circular objects of different sizes;the wheel is the large of the two circular objects
Created by: tasbra1