Advertisements
Advertisements
प्रश्न
What do you mean by an equilibrium of a body?
उत्तर
When a number of forces acting on a body produce no change in its state of rest or of motion, the body is said to be in equilibrium.
APPEARS IN
संबंधित प्रश्न
State the condition when a body is in static equilibrium.
The figure shows a uniform metre rule placed on a fulcrum at its mid-point O and having a weight 40 gf at the 10 cm mark and a weight of 20 gf at the 90 cm mark.
- Is the metre rule in equilibrium? If not how will the rule turn?
- How can the rule be brought in equilibrium by using an additional weight of 40 gf?
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]`
Explain why It is easier to knock down a boy who is standing on one foot than one who is standing on two.
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 an experiment to verify the principle of moments.
How can we increase the stability of an object?
What are the three types of stability of an object?
Mention any two conditions for the stability of a body?