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Q.
The momentum $p$ of an object varies with time $(t)$ as shown in figure. The corresponding force ( $F$ )-time $(t)$ graph is
Laws of Motion
Solution:
$F=\frac{d p}{d t}=$ slope of $P-t$ curve
From $t=0$ to $t=2$ second slope is constant and positive
From $t=2$ to $t=6$ second slope is zero
From $t=6$ to $t=8$ second slope is constant and negative
