The diagrams all show a pair of equal forces acting on a metre rule. Which diagram shows forces that provide a couple and zero resultant force?
A.
B.
C.
D.
Exam No：9702_w24_qp_11 Year：2024 Question No：17
Answer:
B
Knowledge points:
4.1.1 define and apply the moment of a force
4.1.2 understand that a couple is a pair of forces that tends to produce rotation only
4.1.3 define and apply the torque of a couple
Solution:
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