Question

The work done on a particle is equal to the change in its kinetic energy : (a) always (b) only if the force acting on the body are conservative (c) only if the forces acting on the body are gravitational (d) only if the forces acting on the body are elastic

Name: Problem 67, Chapter 6: Arihant AIEEE Physics
Uploaded: 2021-09-19T03:10:40-08:00
Duration: 1 min 33 s
Channel: Dharmendra Jain
Description: The work done on a particle is equal to the change in its kinetic energy : (a) always (b) only if the force acting on the body are conservative (c) only if the forces acting on the body are gravitational (d) only if the forces acting on the body are elastic

   The work done on a particle is equal to the change in its kinetic energy :
(a) always
(b) only if the force acting on the body are conservative
(c) only if the forces acting on the body are gravitational
(d) only if the forces acting on the body are elastic

Arihant AIEEE Physics

D.B. Singh 2006 Edition

Chapter 6, Problem 67

Instant Answer

Solved by Expert Dharmendra Jain

09/19/2021

Step 1

This can be written as: \[ W = \Delta KE \] where \( W \) is the work done on the system, and \( \Delta KE \) is the change in kinetic energy of the system. Show more…

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The work done on a particle is equal to the change in its kinetic energy : (a) always (b) only if the force acting on the body are conservative (c) only if the forces acting on the body are gravitational (d) only if the forces acting on the body are elastic

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Key Concepts

Work-Energy Theorem

This theorem states that the net work done on a particle is equal to the change in its kinetic energy. It is a fundamental principle in mechanics that applies irrespective of whether the forces involved are conservative or non-conservative, meaning it holds universally in classical mechanics.

Kinetic Energy

Kinetic energy is the energy of motion, defined for a particle as one-half the mass times the square of its velocity. It quantifies the energy a particle has due to its motion and is directly linked to the work done on the particle in the work-energy theorem.

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