What is the value of work done on an object when a. 10-newton force moves it 30 meters and the angle between. the force and the displacement is 25°? A. 2.7 x 10^2 joules. B. 3.0 x 10^2 joules. C. 7.5 x 10^2 joules. D. 0 joules . .
W - Work, F - force, d - displacement; W = F · d · cos α where F = 10 N, d = 10 m and α = 25° W = 10 N · 30 m · cos 25° W = 271.89 J ≈ 2.7 · 10² J Answer: A ) 2.7 x 10² Joules
