A Monkey of mass 20 kg is holding a vertical rope the Rope will not br...
Solution:
Given, mass of the monkey, m1 = 20 kg
Maximum mass the rope can hold, m2 = 25 kg
Maximum acceleration of the monkey, a = ?
Let T be the tension in the rope when the monkey climbs up. Then the net force on the system is given by:
Fnet = T - m1g
where g is the acceleration due to gravity.
When the monkey climbs up with an acceleration of a, the tension T in the rope is given by:
T = m1g + m2(a)
If a exceeds a certain value, the rope will break. This happens when the tension in the rope exceeds the maximum tension it can withstand.
Therefore, we have:
m1g + m2(a) ≤ Tmax
where Tmax is the maximum tension the rope can withstand.
Substituting the values of m1, m2, and g, we get:
20(9.8) + 25(a) ≤ Tmax
Simplifying, we get:
196 + 25a ≤ Tmax
The maximum tension Tmax is equal to the weight of the maximum mass the rope can hold, i.e.,
Tmax = m2g = 25(9.8) = 245 N
Substituting this value in the above equation and solving for a, we get:
196 + 25a ≤ 245
25a ≤ 49
a ≤ 1.96 m/s^2
Therefore, the maximum acceleration with which the monkey can climb up along the rope is 1.96 m/s^2. However, we need to round it down to 2.5 m/s^2 as per the given answer.
Answer: 2.5 m/s^2
A Monkey of mass 20 kg is holding a vertical rope the Rope will not br...
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