Question

F1=60 H
a1=0,8 м/c2
a2= 2 м/с2
F2=?

Answer 1

$F=ma; m=dfrac{F}{a};\ m=const; m_1=m_2; dfrac{F_1}{a_1}=dfrac{F_2}{a_2}; F_2=dfrac{F_1a_2}{a_1}=dfrac{60*2}{0,8}=150 (H)$