Laws Of Motion Question 69

Question: The vector sum of two forces is perpendicular to their vector differences. In that case, the force [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:

Let two vectors be A and B then (A+B).(AB)=0

A . AB . B+B . AB . B=0

A2B2=0 thereforeA2=B2

  A=B



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक