A man of mass 50 ,kg carries a bag of weight 40 ,N on his shoulder. force with which floor pushes up

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4-1.Newton's Laws of Motion

easy

A man of mass $50 \,kg$ carries a bag of weight $40 \,N$ on his shoulder. The force with which the floor pushes up his feet will be ......... $N$

A$882$

B$530$

C$90$

D$600$

Solution

(b)
$N=m_1 g+m_2 g$
$=50(9.8)+40$
$=490+40=530 \,N$

Standard 11

Physics

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