Answer :
Newton's first law states that any object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the application of an external force.
- Since the net force exerted on the object is zero while it is at rest, the downward force (weight) must equal the upward force (normal force). Weight always has a negative value since it moves downward. In order for an item to be at rest, all of the forces must be equal to zero.
- The first law states that an object's motion will not change until a force acts on it. According to the second law, an object's force is determined by multiplying its mass by its acceleration.
- Until a force propels it into motion, an object will remain stationary. An object (or a skier) may move as a result of the attraction of gravity.
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