A laboratory inertial balance has a force constant of
PHYSICS · Subjective · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics
Problem
A laboratory inertial balance has a force constant of 15Nm−1. An unknown body mounted on it performs small oscillations of period 0.90s. The same body shows a reading of 3.10N on a spring balance at a place where g=9.8ms−2. Calculate:
(i) the mass of the body obtained from the inertial balance,
(ii) the percentage difference between this value and the mass obtained from the spring balance.