A box weighs 196 N on a spring balance at the north pole. Its weight (in Newton) recorded on the same balance if it is shifted to the equator is_____ (Take g=10 ms−2 at the north pole and the radius of the earth = 6400km)(Round off to the nearest integer)

Book Online Demo

Check Your IQ

Try Test

Courses

Dropper NEET Course Dropper JEE Course Class - 12 NEET Course Class - 12 JEE Course Class - 11 NEET Course Class - 11 JEE Course Class - 10 Foundation NEET Course Class - 10 Foundation JEE Course Class - 10 CBSE Course Class - 9 Foundation NEET Course Class - 9 Foundation JEE Course Class -9 CBSE Course Class - 8 CBSE Course Class - 7 CBSE Course Class - 6 CBSE Course

Offline Centres

A box weighs 196 N on a spring balance at the north pole. Its weight (in Newton) recorded on the same balance if it is shifted to the equator is_____ (Take $g = 10 m s^{- 2}$ at the north pole and the radius of the earth = 6400km)(Round off to the nearest integer)

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

answer is 195.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

weight at equator = $m g^{'}$
$\begin{array}{l} = m (g - ω^{2} R) \\ mg = 196 N \Rightarrow m = 19.6 kg \\ \Rightarrow {mg}^{'} = 19.6 [10 - {(\frac{2 π}{24 \times 3600})}^{2} \times 6400 \times 10^{3}] N \\ = 19.6 [10 - 0.034] = 195.33 N \end{array}$