A block of mass 10 kg is placed on a long trolley The

Last updated: 6/30/2023

A block of mass 10 kg is placed on a long trolley The coefficient of friction between the block and trolley is 0 2 The trolley accelerates from rest with 0 5 m s for 20 s then what is the friction force 1 20 N 2 100 N 3 5 N 4 10 N