Advertisements
Advertisements
प्रश्न
State two conditions for a body acted upon by several forces to be in equilibrium.
Advertisements
उत्तर
Conditions for equilibrium:
- The resultant of all the forces acting on the body should be equal to zero.
- When all forces are applied to the body around the rotational point, the resultant moment should be zero.
संबंधित प्रश्न
State the principle of moments. Give one device as an application of it
State the principle of moments. A meter scale is pivoted at 30 cm mark and it is in equilibrium when a mass of 40 g is suspended from 10 cm mark. Calculate the mass of the ruler.
A meter scale is pivoted at its mid point and a 50 g mass suspended from the 20 cm mark. What mass balances the ruler when suspended from 65 cm mark?
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
The moon revolving around the earth is in ______ equilibrium.
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.
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?
Give an experiment to verify the principle of moments.
Mention any two conditions for the stability of a body?
