Lesson: Chapter 9 — Resultant Force

9.2. The resultant of two collinear forces 2 of 12 Reset answers

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Question 2

Forces of 20 N and 40 N act on an object along the same line in the same direction. What is the resultant force?

A 20 N, in the direction of the larger force B 20 N C 60 N D 40 N

The right answer is the one marked above.

60 N. Both act in the same direction, so add them: 20 N + 40 N = 60 N.

"20 N in the direction of the larger force" is the answer to 40 − 20, which applies only if the forces are opposed. They are not here.

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