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The rate of change in an object's position
Forces that hold atoms together
Inclined ___ simple machine
The change in an object's velocity
The force when one object rubs against another
Simple ____, for example lever, wheel and axle, pulley, wedge, screw
For every action, there is an equal and opposite ____
A force that keeps us on planet Earth
Isaac ___ discovered gravity
Simple machine that includes knives, chisels, and axes
A property that has both a magnitude and a direction
When two objects bump into each other
Forces are in equilibrium when their net force equals this
This simple machine pivots on a fulcrum
Velocity is the speed of an object plus its ____
A measurement of the matter contained in an object
A measurement of only magnitude, not direction
___ law of motion, any object in motion will continue to move in the same direction unless an external force acts on it