Laws of Motion

A block of mass m is placed on a smooth wedge of inclination θ

A block of mass m is placed on a smooth wedge of inclination θ.The whole system is accelerated horizontally, so…

A block of mass m is moving on a wedge with the acceleration aᵒ

A block of mass m is moving on a wedge with the acceleration aᵒ.The wedge is moving with the acceleration…

A body of mass 2 kg travels according to the law x(t)=pt+qt²+rt³

A body of mass 2 kg travels according to the law x(t)=pt+qt²+rt³,where p=3 m/s,q=4 m/s² and r=5 m/s³.The force acting…

In the diagram shown in figure, match the following about weight

In the diagram shown in figure,match the following (take, g=10 m/s²) Column I Column II A. Acceleration of 2kg block…

Four blocks of same mass connected by cords are pulled by a force F

Four blocks of same mass connected by cords are pulled by a force F on a smooth horizontal surface, as…

An open knife edge of mass 200g is dropped from height 5m on a cardboard

An open knife edge of mass 200g is dropped from height 5m on a cardboard. If the knife edge penetrates…

A lift is moving down with acceleration a.A man in the lift drops a ball

A lift is moving down with acceleration a. A man in the lift drops a ball inside the lift.The acceleration…

A disc of mass 100 g is kept floating horizontally in air by firing bullets

A disc of mass 100 g is kept floating horizontally in air by firing bullets, each of mass 5g with…

Two blocks of masses m₁=4 kg and m₂= 2kg are connected to the ends of a string

Two blocks of masses m₁=4 kg and m₂= 2kg are connected to the ends of a string which passes over…

The minimum velocity (in ms⁻¹) with which a car driver must traverse a flat curve

The minimum velocity (in ms⁻¹) with which a car driver must traverse a flat curve of radius 150 m and…