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Chapter 2 - Vectors and Equilibrium - 6
1.
The SI unit for torque is Nm
-1
.
a) False
b) True
2.
i x i = j x j = k x k = 0
a) False
b) True
3.
a x a = a
2
a) True
b) False
4.
i x j = k, j x k = i, k x i = j
a) False
b) True
5.
Torque has zero value if the angle between r and F is 90
o
.
a) True
b) False
6.
Clock-wise torques are taken as positive
a) True
b) False
7.
If a body is at rest it is said to be in static equilibrium
a) True
b) False
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