Questions
The force 'F' acting on a particle of mass 'm' is indicated by the force-time graph shown below. The change in momentum of the particle over the time interval from zero to 8 s is:
detailed solution
Correct option is C
Change in momentum,Δp=∫Fdt= Area of F−t graph =12×2×6−3×2+4×3=12N−sTalk to our academic expert!
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Statement I : The familiar equation mg = R for a body on a table is true only if the body is in equilibrium.
Statement II : The equality of mg and R has no connection with the third law.
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