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प्रश्न
What do you mean by an equilibrium of a body?
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उत्तर
When a number of forces acting on a body produce no change in its state of rest or of motion, the body is said to be in equilibrium.
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संबंधित प्रश्न
Define equilibrium.
State the condition when a body is in static equilibrium.
State two condition for a body acted upon by several forces to be in equilibrium.
State two conditions for a body acted upon by several forces to be in equilibrium.
A faulty balance of unequal arms and pans of unequal weights is used to find the true weight of a metal. By double weighing the weights are found to be 1210 g and 1000 g. Calculate the true weight of the metal.
The moon revolving around the earth is in ______ equilibrium.
In figure, a uniform bar of length l m is supported at its ends and loaded by a weight W kgf at its middle. In equilibrium, find the reactions R1 and R2 at the ends.
`["Hint:" "In equilibrium" "R"_1 + "R"_2 = "W" "and" "R"_1 xx l/2 = "R"_2 xx l/2]`
State two conditions when the work done by a force acting on a body is zero.
A boy of mass 30 kg is fitting at a distance of 2 m from the middle of a see-saw. Where should a boy of mass 40 kg sit so as to balance the see-saw?
When a stone tied to a string is rotated in a horizontal plane, the tension in the string provides ______ force necessary for circular motion.
