Question 1

What is centrifugal force?

Accepted Answer

Centrifugal force is the apparent outward force on a mass rotating in a circle. F = mω²r or F = mv²/r.

Question 2

Is centrifugal force real?

Accepted Answer

It is a fictitious force that appears in rotating reference frames. The real force is centripetal, directed inward.

Question 3

What's the difference between force and pressure?

Accepted Answer

Force (newtons) is a push or pull. Pressure (pascals) is force per unit area. Same force over smaller area = higher pressure.

Question 4

Why do we need different force units?

Accepted Answer

Newtons are SI standard. Pounds-force connects to everyday weight. Dynes (CGS) are used in some scientific fields. Each suits different applications.

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