A pendulum clock that works perfectly on the Earth is taken to the Moon where g = 1.63 m/s2. a) Does it run fast or slow on the Moon? b) If the clock started at 12:00 midnight, what will it read after one Earth day (24.0 h)?

Why does the equilibrium position of the spring change when a mass is added to the spring? will the mass oscillate around the new equilibrium position of the spring or the previous position without a mass attached to the spring? if the equilibrium position of the spring changes by 20 cm (assuming no initial mass) when a mass is added to the spring with constant 4.9 kg/s^2, what is the mass of the object attached to the spring?