a quantity defined as the product of the mass and velocity of an object
(physics) the tendency of a body to maintain is state of rest or uniform motion unless acted upon by an external force
upward force of air against a moving object
velocity in an up or down direction
two objects with the same velocity must be moving in the same ______
a force of attraction between objects that is due to their masses
Newton's First Law of Motion
An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted by an unbalanced force.
Newton's Second Law of Motion
The acceleration of an object depends on the mass of the object and the amount of force applied.
Newton's Third Law of Motion
Whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first.
equation for acceleration
acceleration= force/ mass
a= F/m F= m x a
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