4-1.Newton's Laws of Motion
medium

નીચેનામાંથી ક્યા ગ્રાફમાં, વેગમાનમાં થતો ફુલ ફરફાર શૂન્ય છે?

A
B
C
D

Solution

(c)

Total change in momentum $=\int F . d t=$ Area under Ft curve.

Area above $t$-axis will be positive and below $t$-axis will be negative in option $(c)$

$\text { Area }=-\left[\frac{1}{2} \times 5 \times 1\right]+\frac{1}{2} \times 5 \times 1=0$

Standard 11
Physics

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