Further MathematicsDynamicsWAEC
A 2 kg body changes its velocity from 3 m/s to 7 m/s in 2 s. Find the force acting on it.
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Answer: B. 4 N
a = (7 − 3)/2 = 2 m/s²; F = 2 × 2 = 4 N.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.