Question

A sailboat moves north for a distance of 10.00 km when blown by a wind from the exact south with a force of 5.00 x 10^4 N.

How much work was done by the wind?

Answer 1

5 x 10⁸ J

Step-by-step explanation:

Recall that

Work Done = Force x Distance Traveled in the direction of the force

We are given :

Force = 5.00 x 10⁴ = 50,000 N

Distance Travelled in the direction of the force = 10.00 km = 10,000 m

Hence,

Work Done = 50,000 N x 10,000 m

= 500,000,000 J

= 5 x 10⁸ J

Answer 2

5*10^8Nm

Step-by-step explanation:

work done= displacement* force

Since the wind blows in the direction that the boats want to travel, all values would be positive.

10*10^3*(5*10^4)=5.00*10^8Nm