MCQ Quiz - Physics - Newton's Laws of motion
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2 bodies with mass m1 & m2 are connected by a string.m2 hangs vertically while ,1 rests on a incline. Both are connected by a string and are at rest.Find the angle of incline. *
Assume incline is frictionless
In the above question find the force due to the incline on m1. *
Assume incline is frictionless
There are infinite blocks in a row with masses decreasing in a G.P with common ratio 0.5. If a force ''F'' is applied on the first body and the system accelerates with "a". Find the mass of the largest block. *
Assume all the bodies are always in contact.
A block of mass "m" sits atop a mass"2m". A force "f" is applied horizontally on the upper block. Can the lower block ever move? *
Assume all the bodies are always in contact and that the coeff of friction is uniform everywhere.
Consider in the above question that "f" is applied at the bottom block. What is the min. valueof "f" needed for slipping between the blocks? *
Assume all the bodies are always in contact and that the coeff of friction is uniform everywhere.
A block is fixed between two springs with spring constant "k1"& "k2".It is displaced by "x" and left. Find the velocity when it reaches the mid point. *
A mass suspended with 2 ropes making angles α&β w.r.t to the horizontal. Find the ratio of tension in the ropes. *
Mass of block is "m"
A pendulum swings with the help of a string.The lenght of the string is "l"& the velocity "v' at the lowermost point. Find the max. angle traversed w,r,t to the vertical. *
A sleeve sits on a fixed rod rotating with constant "w". Find "w" so that it just begins to slip? *
Coeff. of friction is "u"
What must the acceleration of a lift going up be so that a block of mass "M" exerts 4Mg on the floor. *
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