TWO BOYS RAISING A BUCKET PULL IT AR ANGLE THETA TO EACH OTHER ,IF EACH EXERTS A FORCE OF 20N and their effective pull is 30 N what is the angle theta
Answer (1)
25th May, 2020
Hi Ankur,
Let the force exerted be A and their effective pull be B.
Here, A = 20N, B = 20N, R = 30θ= ?
using R=√A^2 + B^2 + 2ABcosθ
Now, we have 30^2 = 20^2 + 2×20×20cosθ
or cosθ*30^2−20^2−20^2/2×20×20=0.125
or θ=82^249'.
Feel free to ask doubts in the Comment Section.
I hope this information helps you.
Good Luck!
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