CGS unit of Force is_________?
Correct answer: C. Dyne
- A. Newton
- B. Erg
- C. Dyne
- D. Joule
Explanation
In the CGS system, force is measured in dynes, where 1 dyne = 1 g·cm/s². Newton is the SI unit of force, while erg and joule are units of work or energy. Students often choose newton because it is the familiar unit of force but overlook the stated CGS system.
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About Newton's Laws of Motion
Newton’s laws explain inertia, the relation between net force and acceleration, and action-reaction pairs. Questions involve free-body diagrams, balanced and unbalanced forces, F = ma, force as the rate of change of momentum, and identifying genuine third-law pairs, which act on different bodies.
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