A monkey is sitting in the pan of a spring balance kept in an elevator. The reading of the spring balance is maximum when the elevator |
|||
(a) |
is stationary |
(b) |
accelerates upwards |
(c) |
falls freely |
(d) |
accelerates downwards |
A monkey is sitting in the pan of a spring balance kept in an elevator. The reading of the spring balance is maximum when the elevator |
|||
(a) |
is stationary |
(b) |
accelerates upwards |
(c) |
falls freely |
(d) |
accelerates downwards |