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

  • 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

Similar Questions

The angle between the two vectors $\vec A = 3\hat i + 4\hat j + 5\hat k$ and $\vec B = 3\hat i + 4\hat j + 5\hat k$ is ....... $^o$

${d \over {dx}}\left( {{1 \over {{x^4}\sec x}}} \right) = $

The component of a vector along any other direction is

A force of $5 N$ acts on a particle along a direction making an angle of $60^{\circ}$ with vertical. Its vertical component will be $.........\,N$

A river is flowing from east to west at a speed of $5\ m/min$ . A man on south bank of river, capable of swimming $10\ m/min$ in still water, wants to swim across the river in shortest time. He should swim