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प्रश्न
State the condition when a body is in dynamic equilibrium.
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उत्तर
When a body remains in the same state of motion (translational or rotational), under the influence of the applied forces the body is said to be in dynamic equilibrium.
संबंधित प्रश्न
State the principle of moments. Give one device as an application of it
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.
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.
State the principle of moments.
Define the term momentum.
What is the weight of a body placed at the centre of the earth?
What is meant by equilibrium and state the conditions of equilibrium of a body?
One end of a spring is kept fixed while the other end is stretched by a force as shown in the diagram.
(i) Copy the diagram and mark on it the direction of the restoring force.
(ii) Name one instrument which works on the above principle.
Give one example of static equilibrium.
