Laws of MotionHard
Question
An object of mass 150 kg. is to be lowered with the help of a string whose breaking strength is 100 kg.-wt. What should be the minimum acceleration of the body so that the string may not break :-
Options
A.2 m/s2
B.4 m/s2
C.3.33 m/s2
D.4.5 m/s2
More Laws of Motion Questions
There are two identical small holes of area of cross section a on the opposite sides of a tank containing a liquid of de...A boy of mass 40 kg is hanging from the horizontal branch of a tree. The tension in his arms is minimum when the angle b...for show situation letN1= Normal reaction between A&B N2= Normal reaction between B&Cwhich of the following statement (s...Two persons are holding a rope of negligible weight tightly at its ends so that it is horizontal. A 15 kg weight is atta...A rod AB is shown in figure. End A of the rod is fixed on the ground. Block is moving with velocity √3 m/s towards...