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प्रश्न
State two condition for a body acted upon by several forces to be in equilibrium.
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उत्तर
For a body to be in equilibrium:
1) The resultant of all the forces acting on the body should be equal to zero.
2) The resultant moment of all the forces acting on the body about the point of rotation should be zero.
संबंधित प्रश्न
State the condition when a body is in dynamic equilibrium.
Give scientific reason for the following:
In a moving bus the standing passenger stands keeping both his legs apart.
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.
Explain when we carry weight, on one hand, we bend on the other side.
What is the weight of a body placed at the centre of the earth?
How can we increase the stability of an object?
Explain the concept which is used in the continuous movement of the Thanjavur doll?
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 dynamic equilibrium.
