1.
Two constant forces F1=2ˆi-3ˆj+3ˆk and on a body and displace it from the position to the position . What is the work done?
1. 30 Joule
2. 41 Joule
3. -3 Joule
4. None of these
2.
Two vectors be perpendicular if-
1. b=0
2. b=1
3. b=2
4. b=-4
3.
Angle that the vector makes with y-axis is-
1.
2.
3.
4.
4.
The linear velocity of a rotating body is given by v=wr, where w is the angular velocity and r is the radius vector. The angular velocity of a body and their radius vector is-
1. units
2. 31 units
3. units
4. units
5.
Given the vectors
Find the angle between
1.
2.
3.
4. none of these
6.
Component of perpendicular to and in the same plane as that of is:
1.
2.
3.
4.
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