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Our related question with answer
A simple pendulum with length l and bob of mass m execute simple harmonic motion of small amplitude A. What would be the maximum tension in the string?
The tension in the string at any position is given by the formula:
T = m x g x cos(a) + m x (v)Exp 2 / L
T = tension in the string
m= mass of the bob
a = the angle
v= velocity of the mass
L = lenght of the string
The maximum tension is achieved when a = 0, then cos (0) =1 and v = maximum velocity
An object of mass m = 2 kg is lying on a rough inclined slope such that it is at rest. Find the magnitude of contact force acting on the object (in Newtons).
Coefficient of friction = .8
Angle of elevation = 30
A wooden block of mass m resting on a rough horizontal table is pulled by a force F as shown in figure. If k is the Coefficient of friction between block and table. What will be its acceleration?
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