JEE Mains · Physics · STD 11 - 4.1 newtons laws of motion
A monkey of mass \(50\,kg\) climbs on a rope which can withstand the tension \((T)\) of \(350\,N\). If monkey initially climbs down with an acceleration of \(4\,m / s ^{2}\) and then climbs up with an acceleration of \(5\,m / s ^{2}\). Choose the correct option \(\left( g =10\,m / s ^{2}\right)\)
- A \(T =700\,N\) while climbing upward
- B \(T =350\,N\) while going downward
- C Rope will break while climbing upward
- D Rope will break while going downward
Answer & Solution
Correct Answer
(C) Rope will break while climbing upward
Step-by-step Solution
Detailed explanation
F.B.D of monkey while moving downward Using Newton's second law \(mg - T = ma _{1}\) \(500- T =50 \times 4 \Rightarrow T =300\,N\) F.B.D of monkey while moving up Using Newton's second law of motion \(T - mg = ma _{2}\) \(T -500=50 \times 5\) \(T =750\,N\) Breaking strength of…
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