Work, Energy & Power
Class 11 · Work, Energy & Power · Practice

Work by Variable Force — Previous-Year Questions

5 previous-year questions on Work by Variable Force, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.

Q1. Work done by a spring (k = 200 N/m) as it stretches 0.1 m:

JEE 2022

Q2. F = 5x N. Work done from x = 0 to x = 2 m:

JEE 2021

Q3. On an F-x graph, area under curve from x₁ to x₂ represents:

JEE 2020

Q4. Work done by gravity moving a 1 kg object from r = 2R to r = R (Earth's surface):

JEE 2019

Q5. For a conservative force, work done in moving a body from A to B:

JEE 2018

Work by Variable Force previous-year questions from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 11 physics practice for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG candidates.