When an object is solely under the influence of conservative forces, the sum of its kinetic and potential energies does not chan
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The chair does not move along the vertical direction: this means that the net force on the vertical direction is zero.
There are three forces acting along the vertical direction:
- The weight, acting downward:
- The component of the force F perpendicular to the floor, acting downward:
- The normal force N, acting upwards.
Since the net force must be zero, we have:
From which we can find the value of N:
Explanation:
It is given that,
Length of the string, l = 2 m
Mass of the string,
Hanged mass in the string,
1. The tension in the string is given by :
T = 1.96 N
2. Velocity of the transverse wave in the string is given by :
m = M/l
v = 28 m/s
Hence, this is the required solution.