What is the magnitude of force needed to produce an acceleration of 4ms−2in a ball of 6kg?
A
20N
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B
26N
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C
30N
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D
24N
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Solution
The correct option is D
24N
Given,
Mass of ball, m=6kg
Acceleration a=4ms−2
Let force be F
From Newton's second law of motion, F=ma
On substituting the values, we get,F=6×4=24N ∴ Force applied is 24N.