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प्रश्न
State two conditions for a body acted upon by several forces to be in equilibrium.
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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
A uniform meter scale is in equilibrium as shown in the diagram :
(i) Calculate the weight of the meter scale.
(ii) Which of the following options is correct to keep the ruler in equilibrium when 40 gf wt is shifted to 0 cm mark ?
F is shifted towards 0 cm
or
F is shifted towards 100 cm
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.
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.
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.
Define the term momentum.
A ball is placed on a compressed spring. When the spring is released, the ball is observed to fly away.
(i) What form of energy does the compressed spring possess?
(ii) Why does the ball fly away?
Give one example of static equilibrium.
