Question
Question: Two trolleys 1 and 2 are moving with acceleration a<sub>1</sub> and a<sub>2</sub> respectively in th...
Two trolleys 1 and 2 are moving with acceleration a1 and a2 respectively in the same direction. A block of mass 'm' on trolleys 1 is in equilibrium from the frame of observer stationary w.r.t. trolleys 2. The magnitude of friction on block due to trolley is –
A
m(a1 – a2)
B
ma2
C
ma1
D
None of these
Answer
ma2
Explanation
Solution
f = ma2