Addition and Subtraction of Vectors MCQs
1. At what angle should the two force vectors 5N and 12 N be added to get a resultant vector of 13 N?
a) 00
b) 300
c) 900
d) 1800
Answer: (c) 900
2. What is the net force on the particle if it is simultaneously acted upon by two forces 4 N and 3 N?
(a) 1 N
(b) 7 N
(c) 21 N
(d) Between 7 N and 1 N
Answer: (d) Between 7 N and 1 N
3. If the magnitude of the resultant force of two forces is lesser than the magnitude of the larger force, then
a) The two forces are perpendicular to each other
b) They two forces in opposite directions
c) The forces are different in magnitude and direction
d) The forces possess small magnitude
Answer: (b) The two forces are in opposite directions
4. A person travels 10 km North and 20 km East. What will be the displacement from the initial point?
a) 20 km
b) 22.36 km
c) 30 km
d) 32.36 km
Answer: (b) 22.36 km
