KVPY SX SB Exam 2018 Question Paper

Question : 21 of 120

Marks: +1, -0

PHYSICS

A table has a heavy circular top of radius 1 m and mass 20 kg, placed on four light (considered massless) legs placed symmetrically on its circumference. The maximum mass that can be kept anywhere on the table without toppling it is close to

20 kg
34 kg
47 kg
59 kg

Validate

Solution:

MgR(1-1/√2)=20gR/√2

M(√ 2 -1) =20

M = 48.28

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