Laws of Motion

Two stones of masses m and 2m are whirled in horizontal circles, the heavier one

Two stones of masses m and 2m are whirled in horizontal circles, the heavier one in a radius r/2 and…

A plank with a box on it at one end is gradually raised about the other end.

A plank with a box on it at one end is gradually raised about the other end. As the angle…

Three blocks A,B and C of masses 4 kg, 2 kg and 1 kg respectively are in contact

Three blocks A,B and C of masses 4 kg, 2 kg and 1 kg respectively are in contact on a…

A block of mass m1 rests on a horizontal table. A light string connected

A block of mass m1 rests on a horizontal table. A light string connected to it passes over a frictionless…

The force F acting on a particle of mass m is indicated by the force-time graph

The force F acting on a particle of mass m is indicated by the force-time graph shown below. The change…

A system consists of three masses m₁, m₂ and m₃ connected by a string passing

A system consists of three masses m₁, m₂ and m₃ connected by a string passing over a pulley P. The…

A balloon with mass m is descending down with an acceleration a

A balloon with mass m is descending down with an acceleration a (where a

Force required to move a mass of 1kg at rest on a horizontal rough plane

Force required to move a mass of 1kg at rest on a horizontal rough plane (μ = 0.1 and g…

A body of mass 4 kg is accelerated upon by a constant force travels

A body of mass 4 kg is accelerated upon by a constant force travels a distance of 5 m in…

A body of mass 3 kg is under a constant force which cause a displacement

A body of mass 3 kg is under a constant force which cause a displacement s in metres in it,…