NCERT Solutions for Class 11 Science Kinematic 2
Important Board Questions
Kinematic
NCERT Books for Session 2022-2023
CBSE Board and UP Board
3 Marks Questions
At what angle do the two forces (P + Q) and (P – Q) act so that the resultant is √(3P²+Q²).
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Use R= √(A^2+B^2+2 ABcosQ)
R= √(3P^2+Q²) ,A=P=Q,
B= P-Q
Solve, θ=60°
Establish the following vector inequalities :