Answer to Question #140055 in Physics for Bryan Urquia

Question

Jack and Rose are out fishing on the lake on a hot summer day when they both decided to go for a swim.Rose dives off from the front of the boat with a force of 55N , while Jack dives off the back with a force of 75N. Find the resultant force on the boat.

Answer 1

Since both forces are directed along one line in opposite directions, to find the resultant force we need to subtruct them:

$$F_{res} = F_{back} - F_{front} = 75N-55N = 20N$$

Since $F_{back}>F_{front}$, the direction of the resultant force will be from back to front.

Answer. Magnitude: 20N, direction: from back to front.