If a man pulls a trolly by applying force of 50N and trolly is displaced 30m. What is work done?

To calculate the work done by the man in pulling the trolley, we'll use the formula:
Work (W) = Force (F) * Displacement (d) * cos(θ)
Where:
F = Force applied (50N)
d = Displacement (30m)
θ = Angle between the direction of force and the direction of displacement (assuming the force is applied in the direction of displacement, so cos(θ) = 1)
Plugging the given values into the formula:
W = 50N * 30m * 1
W = 1500J
Therefore, the correct answer is Option A: 1500J.