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As per your syllabus, a 30 kg barbell is held STEADY by a weightlifter. How much UPWARD force must she apply (taking g = 9.8 m/s²)?

A294 N (= 30 × 9.8)
B30 N
C9.8 N
D300 N
Answer & Solution
Correct answer: A. 294 N (= 30 × 9.8)
As per your syllabus, F = mg = 30 × 9.8 = 294 N upward to balance gravity.
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