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Standard VIII

Physics

Atmospheric Pressure

Find the tens...

Question

Find the tension in the string?

(m1+m2)g/m1m2

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2(m1+m2)g/m1

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(m1m2)g/(m1+m2)

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2(m1m2)g/(m1+m2)

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Solution

The correct option is C
(m1m2)g/(m1+m2)

Take 3-4 mins and try to get this on your own. Then proceed to the next video for the explanation.

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Similar questions

Q. A constant force

F = \frac{m_{2} g}{2}

is applied on the block of mass

m_{1}

as shown in fig. The string and the pulley are light and the surface of the table is smooth. The acceleration of

m_{1}

Q. A circular pulley of mass

^{'} M^{'}

and radius

^{'} R^{'}

, is hinged at the centre. A long string is wound over this disc and two bodies of mass

m_{1}

and

m_{2}

are attached at it's free ends. Now the bodies are released. Find the accceleration of each body.

Q. Find the acceleration ratio of masses

m_{1}, m_{2}

and

m_{3}

(as shown in figure) just after the string is cut at point

A

Two bodies of masses m₁ and m₂ are connected by a light, inextensible string, which passes over a frictionless pulley. If the pulley is moving upward with uniform acceleration g, then the tension in the string is

Q. A pulley system is attached to an elevator as shown in figure. The elevator starts to move up with an acceleration

a

Match statements in column I with results in column II.

\begin{matrix} Column I & Column II (a) & Acceleration of m_{1} in elevator frame & (p) & \frac{1}{2} (\frac{(m_{2} - m_{1}) g + 2 m_{2} a}{m_{1} + m_{2}}) t^{2} (b) & Acceleration of m_{1} in ground frame & (q) & \frac{1}{2} [\frac{m_{2} - m_{1}}{(m_{1} + m_{2})} (g + a)] t^{2} (c) & Distance covered of m_{1} in elevator frame & (r) & (\frac{m_{2} - m_{1}}{m_{1} + m_{2}}) g + (\frac{2 m_{2}}{m_{1} + m_{2}}) a (d) & Distance covered of m_{1} in ground frame & (s) & \frac{(m_{2} - m_{1})}{(m_{1} + m_{2})} (g + a) (t) & None of the above \end{matrix}

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Find the tension in the string?

The correct option is C (m1m2)g/(m1+m2) Take 3-4 mins and try to get this on your own. Then proceed to the next video for the explanation.

The correct option is C
(m1m2)g/(m1+m2)

Take 3-4 mins and try to get this on your own. Then proceed to the next video for the explanation.