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प्रश्न
In equilibrium algebraic sum of moments of all forces about the point of rotation is ______.
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उत्तर
In equilibrium algebraic sum of moments of all forces about the point of rotation is zero.
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संबंधित प्रश्न
In a beam balance, when the beam is balanced in a horizontal position, it is in ______ equilibrium.
State the condition when a body is in dynamic equilibrium.
What makes a balance faulty?
A faulty balance of equal arms but pans of unequal weight is used to find the weight of a body. By the method of double weighing the weights are found as 8 kg and 8.2 kg. Find the actual weight of the body.
The arms of a beam balance are 20 cm and 21 cm, but the pans are of equal weight. By the method of double weighing the weights are found to be 1000 g and 20 g. Find the actual weight of the body
Define the term momentum.
Explain when we carry weight, on one hand, we bend on the other side.
What is a couple?
One end of a spring is kept fixed while the other end is stretched by a force as shown in the diagram.
(i) Copy the diagram and mark on it the direction of the restoring force.
(ii) Name one instrument which works on the above principle.
