The sum of two forces at a point is 16N. If their resultant is normal to the smaller force and has a magnitude of 8N, then the forces are
8N and 8N
6N and 10N
4N and 12N
2N and 14N
A force acting on a particle causes displacement in its own direction. If work done is 6 J., then value of ' c ' is
0
1
6
12
Minimum number of unequal vectors which can give zero resultant are:
Two
Three
Four
More than four
π/2
π/4
π
The vectors are such that then angle between the two vectors will be
45o
60o
75o
90o
A force N acting on a mass produce an acceleration of 1m/s2. What will be the mass of the body?
10√2 kg
2√10 kg
10 kg
20 kg
is written by some student. Then, it
is not possible
has the same direction as that of
has direction opposite to that of
has no definite direction
The angle between two vectors will be
Zero
180o
cos-1 5/12
cos-1 5/13
cos-1 12/13
cos-1 7/13
