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gayaneshka [121]
3 years ago
11

Juanita studies several free-body diagrams in which a normal force is shown. What is always true about a normal force in a free-

body diagram?
Physics
2 answers:
SpyIntel [72]3 years ago
7 0

Answer:

it is perpendicular to a surface

Explanation:

Oliga [24]3 years ago
6 0

Answer: B

Explanation: it is perpendicular to a surface

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Rocks within Earth both expand and contract as P waves pass

Explanation:

Rocks within the earth both expands and contracts as P-waves passes through them. P-waves are elastic waves.

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Which factors affect heat transfer between a warm and a cool substance?
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How do Air molecules enable sound to travel from a radios speaker to your ears?
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