Note: Students will solve this section and return it to teacher for checking.
1. Centre of gravity of rectangle is ___________
(a) it's center. (b) intersection of diagonals. (c) middle point of axis
2. A couple is formed by two _____ forces.
(a) like. (b)unlike. (c) Different
3. Centre of gravity of meter rod is ________
(a) center (b) intersection of diagonal. (c) intersection of medians
4. The torque produced in a body due to couple is equal to the product of one of the
(a)Couple. (b)Force. (c) Couple arm
5.When an object is resting in smooth horizontal surface it's weight is balanced by__
(a)Torque. (b)Reactional force (c) Couple
Q2: Write difference between couple and torque?
Q3: Find moment of couple produce by force of 50 N acting on two sides of stearing
wheel having radius of 20cm.
THIS IS A VERY HELPFUL ANSWER THANKS ALOT
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