1. The first two laws explain how an applied force changes the state of rest of uniform motion of a body. They also suggest a method of determining the force.

    The first two laws explain how an applied force changes the state of rest of uniform motion of a body. They also suggest a method of determining the force.

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  2. The mass of an object is the measure of its inertia.

    The mass of an object is the measure of its inertia.

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  3. Momentum can be defined as 'mass in motion'. All objects have mass; so if an object is moving, it has momentum it has its mass in motion.

    Momentum can be defined as ‘mass in motion’. All objects have mass; so if an object is moving, it has momentum it has its mass in motion.

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  4. The natural tendency of a body to resist a change in its state of motion or of rest is known as inertia.

    The natural tendency of a body to resist a change in its state of motion or of rest is known as inertia.

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