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प्रश्न
Explain why It is easier to knock down a boy who is standing on one foot than one who is standing on two.
उत्तर
It is easier to knock down a boy who is standing on one foot than one who is standing on two because boy standing on both feet has a larger base area and hence it has a more stable equilibrium than a boy standing on one foot.
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संबंधित प्रश्न
Define equilibrium.
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
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?
Give scientific reason for the following:
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In equilibrium algebraic sum of moments of all forces about the point of rotation is ______.
The moon revolving around the earth is in ______ equilibrium.
State the principle of moments.
State two conditions when the work done by a force acting on a body is zero.
What do you mean by dynamic and static equilibrium? Give one example of each.
Mention any two conditions for the stability of a body?
