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Question: Answered & Verified by Expert
A mass of 10 kg is suspended vertically by a rope from the roof. When a horizontal force is applied on the rope at some point, the rope deviated at an angle of 45° at the roof point. If the suspended mass is at equilibrium, the magnitude of the force applied is g=10 m s-2
PhysicsLaws of MotionJEE MainJEE Main 2019 (09 Jan Shift 2)
Options:
  • A 100 N
  • B 200 N
  • C 140 N
  • D 70 N
Solution:
1434 Upvotes Verified Answer
The correct answer is: 100 N

Tcos45°=mg

Tsin45°=F

tan 45°=Fmg

F=mg=100 N

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