Question detail
Two forces of equal magnitude act on a particle along a straight line, one to the left and one to the right. What is the resultant force?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Forces and their interactions
Question
- A. Zero
- B. Equal to the magnitude of one force
- C. Equal to twice the magnitude of one force
- D. Direction depends on the particle’s mass
Answer
Zero
Explanation
Equal forces in opposite directions cancel each other, giving a resultant of zero.
Common mistake
Vector Addition Mistake
Students often add forces as if they are scalar quantities, ignoring their directions.
Always consider the direction of each force when combining them; use vector diagrams to visualize the addition.
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