Kinematics Question 36
Question: The vector sum of two forces is perpendicular to their vector differences. In that case, the forces [CBSE PMT 2003]
Options:
A) Are equal to each other in magnitude
B) Are not equal to each other in magnitude
C) Cannot be predicted
D) Are equal to each other
Show Answer
Answer:
Correct Answer: A
Solution:
If two vectors are perpendicular then their dot product must be equal to zero. According to problem
therefore