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प्रश्न
What is meant by equilibrium?
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उत्तर
When a number of forces acting on a body produce no change in its state of rest or of uniform motion the body is said to be in equilibrium.
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संबंधित प्रश्न
In a beam balance, when the beam is balanced in a horizontal position, it is in ______ equilibrium.
Give scientific reason for the following:
When a man climbs a slope he bends forward.
Give scientific reason for the following:
While climbing a hill you will try to bend your body forward.
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 the principle of moments.
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?
A non uniform beam of weight 120 N pivoted at one end is shown in the diagram below. Calculate the value of F to keep the beam in equilibrium.
Give one example of static equilibrium.
