Answer: √6 times longer.
- A √6 times longer
- B √6 times shorter
- C 6 times longer
- D 6 times shorter
Correct answer: A. √6 times longer
Explanation: T = 2π√(L/g). On Moon, T<sub>moon</sub> = 2π√(L/(g/6)) = √6 times T<sub>earth</sub>. The clock runs slower on the Moon.
In SHM, displacement and velocity are 90° out of phase (v is maximum when x=0, and zero when x is extreme), while acceleration is always exactly opposite in sign to displacement, consistent with a = −ω²x.
Concept context
Simple harmonic motion, spring-mass, pendulum, energy in SHM, and resonance.