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(b) f
(b) v/√2
(a) 90°
(b) 30
Two Iron blocks of equal masses but with double surface area slide down an Inclined plane with coefficient of friction μ . If the first block with surface area A experience a friction force f, then the second block with surface area 2A will experiences a frictional force.
(b) f
(b) f
See lessThe objects at rest suddenly explodes into three parts with the mass ratio 2:1:1. The parts of equal masses moves at right angles to each other with equal speeds. The speed of the third part after the explosion will be
(b) v/√2
(b) v/√2
See lessA particle moves in x-y plane under the action of force F such that the value of its linear momentum (p) at any instant t is pₓ = 2 cos t and pᵧ=2 sin t. The angle θ between F and p at a given time t will be-
(a) 90°
(a) 90°
See lessThe maximum velocity (in m/s) with which a car driver must transverse a flat curve of radius 150 m and coefficient of friction 0.6 to avoid skidding is
(b) 30
(b) 30
See less