Advertisements
Advertisements
प्रश्न
Give one example of static equilibrium.
Advertisements
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
Define equilibrium.
In a beam balance, when the beam is balanced in a horizontal position, it is in ______ equilibrium.
State the condition when a body is in static 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.
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.
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.
Explain why It is easier to knock down a boy who is standing on one foot than one who is standing on two.
What is the weight of a body placed at the centre of the earth?
