Laws of MotionHard
Question
Two masses of 20 kg and 10 kg are connected by a light string passing over a frictionless pulley. The coefficient of friction between 20 kg mass and the table is 0.25. The minimum mass required to the placed on 20 kg mass to prevent it from moving will be :-
Options
A.5 kg
B.10 kg
C.15 kg
D.20 kg
More Laws of Motion Questions
A astronaut accidentally gets separated out of his small spaceship accelerating in inter-stellar space at a constant acc...A block is placed over a plank. The coefficient of friction between the block and the plank is μ = 0.2. Initially b...The distance x covered in time t by a body having initial velocity v0 and having a constant acceleration a is given by x...If the force of gravity suddenly disappears :-...A block of metal weighing 2kg is resting on a frictionless plane. It is struck by a jet releasing water at a rate of 1 k...