Laws of MotionHard
Question
The breaking strength of a rope is 45 kg wt. A fire man weighing 60 kg slides down the rope. The rope :
Options
A.will break if the acceleration of the fire man is more than g/4
B.will break if the acceleration is less than g/4
C.will break, whatever the acceleration
D.will not break, whatever the acceleration
More Laws of Motion Questions
A rocket is ejecting 1 kg of gases per sec at a velocity of 60 km/s. The accelerating force on the rocket is...Action and reaction pair...A lift is desending with an acceleration 2 m/sec2. What will be the aparent weight of a person of 80 kg mass ?...A bullet of mass 0.04 kg moving with a speed of 90 m/s enters a heavy wooden block and gets stopped after penetrating a ...In the figure shown all the surface are smooth. All the blocks A, B and C are movable X-axis is horizontal and y-axis ve...