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प्रश्न
Give one example of static equilibrium.
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उत्तर
Example of static equilibrium: The book lying on a table. The equal and opposite force of reaction that the table applies to the book vertically upward balances the weight of the book that it exerts on it vertically downward. There is static equilibrium throughout the book.
संबंधित प्रश्न
State the principle of moments. Give one device as an application of it
The figure shows a uniform metre rule placed on a fulcrum at its mid-point O and having a weight 40 gf at the 10 cm mark and a weight of 20 gf at the 90 cm mark.
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- How can the rule be brought in equilibrium by using an additional weight of 40 gf?
State two conditions for a body acted upon by several forces to be in equilibrium.
What do you mean by the state of equilibrium? What are the conditions for stable equilibrium?
Give scientific reason for the following:
When a man climbs a slope he bends forward.
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.
The moon revolving around the earth is in ______ equilibrium.
What is the weight of a body placed at the centre of the earth?
What are the three types of stability of an object?
