Chapter 6 Equilibrium - Test 2

1. According to 2nd condition of equilibrium clockwise torque is equal to anticlockwise torque

1) False
2) True
2. The center of gravity of a square is at its central point of axis.

1) True
2) False
3. The force of gravity acting on a body is called the weight of that body

1) False
2) True
4. The center of gravity is the single point at which net torque is equal to zero.

1) True
2) False
5. The weight of a body depends on the value of g.

1) False
2) True
6. There are three conditions of equilibrium.

1) False
2) True
7. In SI system unit of moment arm is

1) Newton
2) Joule
3) centimeter
4) Meter
8. How much force should be applied on the spanner of length 30cm, when the torque required to open the nut is 150 Nm

1) 500 N
2) 550 N
3) 600 N
4) 250N
9. There are _________ conditions of equilibrium.

1) three
2) one
3) five
4) two
10. When the 2nd direction of equilibrium is satisfied , then no _____ is produced in the body


1) linear velocity
2) linear acceleration
3) rotational acceleration
4) aangular velocity
11. Two teams A & B pull the rope towards each other. If the total forces of both the teams are equal, the rope will be at _________


1) move
2) move towards team B
3) rest
4) move towards team A
12. Rotation produced in a body depends on

1) both a & b
2) magnitude of the force
3) Torque
4) moment arm
13. The centre of gravity of cylinder is at


1) at its axis
2) bottom of cylinder
3) top of the cylinder
4) central point of axis
14. Torque produced in a body due to a couple is equal to the product of one of the forces of the couple and the _______

1) both A & B
2) moment arm
3) couple arm
4) weight
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