Figures (a), (b), (c) and (d) show variation of force with time. The impulse is highest in figure. [2023]

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Solution

Q.
Figures a, b, c and d show variation of force with time.

The impulse is highest in figure. [2023]

1 Fig (c)

2 Fig (b)

3 Fig (a)

4 Fig (d)

Ans.
(2)

$Impulse = Area under F = t curve$

$(a) \frac{1}{2} \times 1 \times 0.5 = \frac{1}{4} N·s$

$(b) 0.5 \times 2 = 1 N·s (maximum)$

$(c) \frac{1}{2} \times 1 \times 0.75 = \frac{3}{8} N·s$

$(d) \frac{1}{2} \times 2 \times 0.5 = \frac{1}{2} N·s$

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