The angle between is θ. The value of the triple product is
A2B
Zero
A2B sin θ
A2B cos θ
(A2 + B2 + AB)1/2
(A2 + B2 + AB/√3)1/2
A + B
(A2 + B2 + √3 AB) 1/2
cos-1 5/12
cos-1 5/13
cos-1 12/13
cos-1 7/13
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
0o
30o
45o
60o
The angle between two vectors will be
90o
180o
Given that and makes angle α and β with and respectively, then which of the following is correct
α cannot be less than β
α < β if P < Q
α < β if P > Q
α < β if P = Q
If a vector is perpendicular to the vector , then the value of α is
-1
1/2
-1/2
1
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