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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
Define equilibrium.
State the condition when a body is in static equilibrium.
State two condition 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.
Give scientific reason for the following:
In a moving bus the standing passenger stands keeping both his legs apart.
In figure, a uniform bar of length l m is supported at its ends and loaded by a weight W kgf at its middle. In equilibrium, find the reactions R1 and R2 at the ends.
`["Hint:" "In equilibrium" "R"_1 + "R"_2 = "W" "and" "R"_1 xx l/2 = "R"_2 xx l/2]`
State the principle of moments.
What is a couple?
A non uniform beam of weight 120 N pivoted at one end is shown in the diagram below. Calculate the value of F to keep the beam in equilibrium.
