Ten one rupee coins are put on top of each other on a table. Each coin has a mass $m$ . The reaction of the $6^{t h}$ coin (counted from the bottom) on the $7^{t h}$ coin is

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

$4 m g$

$6 m g$

$7 m g$

$3 m g$

answer is A.

(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

The sixth coin is under the weight of four coins above it. Hence, Reaction of the $6^{t h}$ coin on the $7^{t h}$ coin $=$ Force on the $6^{t h}$ coin due to the $7^{t h}$ coin $= 4 m g$

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

How to Join IIT after 10th

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Get Expert Academic Guidance – Connect with a Counselor Today!