Advertisements
Advertisements
Question
Advertisements
Solution
A body is said to be in equilibrium under the action of a number of forces, if the forces are not able to produce any change in the state of rest or of uniform motion or uniform rotation.
APPEARS IN
RELATED QUESTIONS
In a beam balance, when the beam is balanced in a horizontal position, it is in ______ equilibrium.
State two condition for a body acted upon by several forces to be in equilibrium.
In equilibrium algebraic sum of moments of all forces about the point of rotation is ______.
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]`
Define the term momentum.
A ball is placed on a compressed spring. When the spring is released, the ball is observed to fly away.
(i) What form of energy does the compressed spring possess?
(ii) Why does the ball fly away?
Mention any two conditions for the stability of a body?
Explain the concept which is used in the continuous movement of the Thanjavur doll?
When a stone tied to a string is rotated in a horizontal plane, the tension in the string provides ______ force necessary for circular motion.
Give one example of static equilibrium.
