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what is a force a push or a pull on an object
the measurement of force... 1 newton is the amount of force required to give 1 kg mass and acceleration of 1 m/s2. must have direction; vector
what is gravitational force an attractive force between 2 bodies; the weakest force
what is electromagnetic force charged particles at rest exert electric forces on each other. charged particles in forces
what is strong nuclear force holds particles of the nucleus together, strongest of all forces
what is a weak force form of an electromagnetic force. happens when some nuclei radio activity decay
what is a balanced force no acceleration; forces are equal
what is an unbalanced force motion velocity acceleration; forces aren't equal
when forces are equal... the object won't move
what is a net force the sum of all forces acting on an object
Created by: smileyk