Mechanics MCQ

If an object is rotating clockwise, this corresponds to a _____ angular velocity.

Answer

Correct Answer: Negative

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Providing a backup power source is called __________________.

Answer

Correct Answer: Power redundancy.

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Ax is positive if is directed _______; ay is positive if is directed _______.

Answer

Correct Answer: Right;up

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The hip joint is the articulation between the ________ and the _______.

Answer

Correct Answer: Femur; acetabulum

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When an astronaut in orbit is weightless, he or she is _______.

Answer

Correct Answer: Still in the grips of Earth's gravity

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