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प्रश्न
The speed-time graph of a body having a mass of 100 g moving along a straight line path is shown here. Find the force acting on the body.
आकृती
टीपा लिहा
उत्तर
As we know slope or speed time graph gives acceleration so we can find the acceleration of the body.
a=(v-u)/t= (10-0) /( 4-0)= 5/2 = 2.5ms-2
Massof the body is = 100 g= 0.1kg
Forece= mass x acceleration.
Force= 0.1 x 2.5 = 0.25 N
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