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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
State the condition when a body is in dynamic equilibrium.
State two condition for a body acted upon by several forces to be in 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
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:
While climbing a hill you will try to bend your body forward.
Explain why It is easier to knock down a boy who is standing on one foot than one who is standing on two.
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.
How can we increase the stability of an object?
