Verified Solution • 2025–26 Session moderate

QJEEM20Ph4169: JEE Main 2020 Physics - Class 11 JEEM20Ph4169 Solution: A box weight 196 N on a spring balance at the north pole. Its…

A box weight 196 N on a spring balance at the north pole. Its weight recorded on the same balance if it is shifted to the equator is close to (Take g = 10 ms–2 at the north pole and the radius of the earth = 6400 km) :

Multiple Choice Options

  • A 194.32 N
  • B 195.66 N
  • C 195.32 N
  • D 194.66 N

Step-by-Step Verified Solution

At equator, weight

W = Mg - Mω2R

= 196 - (19.6)(2π24×3600)2×6400×103

= 195.32 N

Related Learning Resources & Exam Preparation

JEE Main PYQ Question Bank
Browse year-wise authentic previous years' questions with solutions
Authentic CBT Mock Tests
Simulate official exam environment with live timer and percentile scoring