Download the app

Questions  

If the resultant of two forces of magnitude p and 2p is perpendicular to p, then the angle between the forces is

Remember concepts with our Masterclasses.

80k Users
60 mins Expert Faculty Ask Questions
a
2π3
b
3π4
c
4π5
d
5π6

Ready to Test Your Skills?

Check Your Performance Today with our Free Mock Tests used by Toppers!

detailed solution

Correct option is A

tanα = 2psinθp+2pcosθ; here α = 900⇒ ∞ = 2psinθp+2pcosθ  ⇒p+2pcosθ = 0⇒ cosθ= -12    ⇒ θ = 2π3


Similar Questions

Three forces 9 N, 12 N and 15 N acting at a point are in equilibrium the angle between 9 N and 15 N is 


whats app icon
phone icon