JEE Main Physics question
A body moves a distance of 5 m along a straight line under the action of a force of 10 N. If the work done is 25 J, then the angle which the force makes with the direction of motion of the body is
Answer: (C)
Solution
cosθ = W/(Fs) = 25/(10×5) = 0.5 ⟹ θ = 60°.