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प्रश्न
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.
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उत्तर
(i) F’ in the fig. shows the direction of restoring force.
(ii) Spring balance.
संबंधित प्रश्न
State the condition when a body is in dynamic 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
The moon revolving around the earth is in ______ equilibrium.
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.
Explain when we carry weight, on one hand, we bend on the other side.
What do you mean by dynamic and static equilibrium? Give one example of each.
What is a couple?
Give an experiment to verify the principle of moments.
What are the three types of stability of an object?
