JEE Mains · Physics · STD 11 - 4.1 newtons laws of motion
Figures \((a), (b), (c)\) and \((d)\) show variation of force with time. The impulse is highest in figure.
- A Fig \((c)\)
- B Fig \((b)\)
- C Fig \((a)\)
- D Fig \((d)\)
Answer & Solution
Correct Answer
(B) Fig \((b)\)
Step-by-step Solution
Detailed explanation
Impulse \(=\) Area under \(F=t\) curve \((a)\) \(\frac{1}{2} \times 1 \times 0.5=\frac{1}{4}\,N . s\) \((b)\) \(0.5 \times 2=1\) N.s (maximum) \((c)\) \(\frac{1}{2} \times 1 \times 0.75=\frac{3}{8} N . s\) \((d)\) \(\frac{1}{2} \times 2 \times 0.5=\frac{1}{2} N . s\)
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