Advertisements
Advertisements
प्रश्न
What is a couple?
उत्तर
Two equal parallel and opposite forces acting on a rigid body at different points constitute a couple. The distance 'd' is called the arm of the couple.
APPEARS IN
संबंधित प्रश्न
Define 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.
A meter scale is pivoted at its mid point and a 50 g mass suspended from the 20 cm mark. What mass balances the ruler when suspended from 65 cm mark?
A faulty balance of equal arms but pans of unequal weight is used to find the weight of a body. By the method of double weighing the weights are found as 8 kg and 8.2 kg. Find the actual weight of the body.
Give an experiment to verify the principle of moments.
When a stone tied to a string is rotated in a horizontal plane, the tension in the string provides ______ force necessary for circular motion.
