Scalar quantity - ANSWER A quantity that has magnitude but no direction
Vector quantity - ANSWER A quantity that has both magnitude and direction
Newton's First Law - ANSWER An object at rest stays at rest and an object in motion stays in motion with the same velocity unless acted upon by an ...
Scalar quantity - ANSWER A quantity that has magnitude but no direction
Vector quantity - ANSWER A quantity that has both magnitude and direction
Newton's First Law - ANSWER An object at rest stays at rest and an object in motion
stays in motion with the same velocity unless acted upon by an external force.
Newton's Second Law - ANSWER F=ma
Newton's Third Law - ANSWER For every action force there is an equal and opposite
reaction force
Conditions for terminal velocity - ANSWER Driving force is constant / Friction or drag
force that increases with speed
Elastic collision - ANSWER Momentum and kinetic energy are conserved
Inelastic collision - ANSWER Momentum is conserved but kinetic energy is not
Centre of mass - ANSWER The point where a single force on the body has no turning
effect
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