Question

49. Which of the following statements is/are correct
(a) The magnitude of the vector 3i +4j is 5
(b) A force (3i +4j) N acting on a particle cause a
displacement 6j. The work done by the force is 30N
(c) If A and B represent two adacent sides of a
parallelogram, then |AXB| give the area of that
parallelogram
(d) A force has magnitude 20 N. Its component in a direction
making an angle 60° with the force is 10V3 N.​

Answer 1

Explanation:

every statement is Correct without b