Question
A block of mass m kg on a weighing machine in an elevator is retarding upward by a m/s^2, the reading of weighing machine is (in kgf)
How the answer is m(1-a/g).
Read 1 Solution.
R -mg= -ma
R= -ma+ mg
R= m ( g-a)
on dividing this by g u vyl get
R= m (g/g -a/g) = m (1-a/g)
Best SolutionSARIKA 11 year ago
is this solution helpfull: 20 46