Welcome to your work , Energy & power - 2
3.
If θ = 90°, A·B equals
4.
Work done can be negative means
5.
Scalar product depends on
6.
Scalar product of two vectors A and B is
7.
Work done by force F is maximum when θ is
8.
Unit of scalar product of force and displacement is
12.
Dot product of vector with itself is always
13.
If A·B = 0, vectors are
14.
Projection of A on B equals
15.
Work done is zero when force is
17.
Work done by force F is maximum when θ is
19.
Dot product result is
20.
Which quantity uses dot product?
21.
Work done by friction is usually
23.
If A = 3i + 4j, magnitude of A·A is
25.
If force makes obtuse angle with displacement, work is
26.
Which law dot product does NOT follow?
27.
Negative work is done when force is
28.
Dot product of perpendicular vectors is
29.
If force acts opposite to displacement, work is
30.
If vectors are antiparallel, A·B is
31.
Dot product is commutative because
32.
Dot product helps find
33.
If displacement is zero, work done is
34.
Dot product of unit vectors i·j equals
35.
If A ⟂ B, then projection of A on B is
37.
Work done is independent of
38.
Which law dot product does NOT follow?
39.
Which quantity is defined using scalar product?
40.
If A·B = 0, then A and B are
41.
Work done by centripetal force is
42.
Which force does zero work in circular motion?
43.
If vectors are parallel, A·B is
44.
Angle between vectors if A·B = –AB
45.
Angle between vectors if A·B = AB
