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A:

Q: If forces always occur in pairs that are equal and opposite, why don’t they always cancel?

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A:

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A:

Q: 2- FBD on the crate only, consider friction.

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A: Torque is given as  T = r × F

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A:

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A: Given the following diagram: mA=5 kgmB=5 kg

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A:

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Q: The Thrust SSC car raised the world land speed record in 1997. The mass of the car was 1.0 x 10 kg.…

A: Solution:

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!