Lessons

Eamcet Physics
1 st Year : Unit 3.2( Laws of Motion ) - Connected Bodies

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Q.

Ten coins each of mass 10 gm are placed one above the other. The reaction force exerted by 7th coin from the bottom on the 8th coin is (g = 10 m/s2)

View Answer

Correct choice: A

Explanation:

= 2mg + mg
= 3mg = 3 x 10-2 x 10 = 0.3 N
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