Embibe Experts Solutions for Chapter: Work, Energy and Power, Exercise 1: Exercise - 1
Embibe Experts Physics Solutions for Exercise - Embibe Experts Solutions for Chapter: Work, Energy and Power, Exercise 1: Exercise - 1
Attempt the practice questions on Chapter 8: Work, Energy and Power, Exercise 1: Exercise - 1 with hints and solutions to strengthen your understanding. Alpha Question Bank for Engineering: Physics solutions are prepared by Experienced Embibe Experts.
Questions from Embibe Experts Solutions for Chapter: Work, Energy and Power, Exercise 1: Exercise - 1 with Hints & Solutions
A ball is released from the top of a tower. The ratio of work done by force of gravity in first, second and third second of the motion of ball is

A body of mass moves under the action of a force where is the time in second. The initial velocity of the particle is If the force is applied for work done is:

When a spring is stretched by , it stores of energy. If it is stretched further by , the stored energy will be increased by

A body of mass dropped from a certain height strikes a light vertical fixed spring of stiffness The height of its fall before touching the spring if the maximum compression of the spring is equal to is:

A particle moves with a velocity under the influence of a constant force . The instantaneous power applied to the particle is:

The potential energy of a particle in a potential field is where and are positive constants. The value of in terms of and where the force on the particle is zero.

A car of mass starts moving so that its velocity varies according to the law where is a constant, and is the distance covered. The total work performed by all the forces which are acting on the car during the first seconds after the beginning of motion is

An open knife edge of mass is dropped from a height on a wooden floor. If the blade penetrates upto the depth into the wood, the average resistance offered by the wood to the knife edge is
