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Questions  

What is the magnitude of the total force on a driver by the racing car he operates as it accelerates horizontally along a straight line from rest to 60m/s in 8.0s (mass of the driver=80kg)

a
0.06KN
b
0.78KN
c
1.4KN
d
1.0KN

detailed solution

Correct option is C

F=ma,F1=m(v−u)t;F2=mg,F=F1+F2

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Similar Questions

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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