Q6 · 2024 · Technology-activeSimple familiar1 mark
QUESTION 6
Two concurrent forces represented in the polar form of and act on an object. Determine the magnitude of the resultant force.
(A)
0.50 N
(B)
1.92 N
(C)
2.51 N
(D)
3.70 N
WORKED SOLUTION
1 markAnswer B
ANSWER
B
Worked solution
The smaller angle between the forces is . By the cosine rule for the vector sum, N.
Selects option B.
Worked explanation by QCE Vault; correct option verified against the QCAA answer key.
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