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States of Equilibrium

The given fig...

Question

The given figure shows a plot of the time dependent force $F_{x}$ acting on a particle in motion along the $x -$ axis. What is the total impulse (in kg $- m / s$ ) delivered by this force to the particle from time $t = 0$ to $t = 2 s$ ?

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Solution

As we know, impulse $=$ change in momentum

$I = \int F d t$

$I =$ area between $F - t$ graph and time axis.

$I = \frac{1}{2} (2) (2) = 2 k g - m / s$

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States of Equilibrium

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