Question

How does inertia affect the motion of a puck?

Answer 1

In the absence of friction, the inertia of a puck will keep it moving in a straight line at a constant speed. ... The more inertia an object has (which is measured by the mass of an object), the harder it is (the more force it takes) to change its velocity (which is the object's speed and its direction of motion).

Answer 2

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Gravitational force increases as the masses of the objects increase and decreases as the distance between the objects increases. Balanced forces acting on an object cause no change in the motion of the object. When unbalanced forces act on an object, the sum of the forces is not equal to zero.....