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प्रश्न
Define the term momentum.
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उत्तर
The momentum of a body is the product of the mass of the body and its velocity, i.e. p = mv.
संबंधित प्रश्न
In a beam balance, when the beam is balanced in a horizontal position, it is in ______ equilibrium.
State the principle of moments. A meter scale is pivoted at 30 cm mark and it is in equilibrium when a mass of 40 g is suspended from 10 cm mark. Calculate the mass of the ruler.
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 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.
A boy of mass 30 kg is fitting at a distance of 2 m from the middle of a see-saw. Where should a boy of mass 40 kg sit so as to balance the see-saw?
Give an experiment to verify the principle of moments.
What are the three types of stability of an object?
Give one example of dynamic equilibrium.
