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प्रश्न
What is the weight of a body placed at the centre of the earth?
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उत्तर
The weight of a body placed at the centre of the earth is zero as
g = 0
∴ W = mg
= 0
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
What do you mean by the state of equilibrium? What are the conditions for stable equilibrium?
Give scientific reason for the following:
While climbing a hill you will try to bend your body forward.
Give scientific reason for the following:
In a moving bus the standing passenger stands keeping both his legs apart.
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?
How can we increase the stability of an object?
Explain the types of stability with suitable examples.
What are the three types of stability of an object?
