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Intuition for COM

A pulley (dis...

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A pulley (disc) of mass = 2kg and radius =10cm is attached with the block of mass m1= 4kg and m2=6kg with a light and stretchable string . The angular acceleration of the pulley is (assuming no slipping)

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Q. Figure shows a pulley (disc) of mass

m

r

with the blocks of masses

m_{1}

m_{2}

attached with light and unstretched string. The angular acceleration

(α)

of the pulley is (Assume no slipping between the string and pulley,

m_{1} = 4 k g, m_{2} = 6 k g, m_{2} = k g, r = 10 c m

g = 10 m / s^{2}

Q. A small pulley of radius

20 c m

and moment of inertia

0.32 k g - m^{2}

is used to hang a

2 k g

mass with the help of mass less string. If the block is released, for no slipping condition acceleration of the block will be

m_{1}

m_{2}

are attached to a string which passes over a frictionless smooth pulley. When

m_{1} = 10

m_{2} = 6

kg, the acceleration of masses is?

Q. The pulley shown in figure has moment of inertia

I = 5 {kg-m}^{2}

about its axis and radius

R = 1 m

. Find the acceleration of the blocks if the masses of the blocks are

M = 3 kg

m = 2 kg

. Assume that the string is light and does not slip on the pulley and

g = 10 {m/s}^{2}

Q. Two blocks of masses 1 kg and 2 kg are suspended at the end of a light string passing over a frictionless pulley of mass 4 kg and radius 10 cm. When the masses are released, the acceleration of the masses is:

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