thank you
]]>NB: The 150 N horizontal force consists of 25 N required to keep m stationary relative to the van and 125 N needed to generate the frictional force to balance its weight.
]]>a)170 N
b)180 N
c)150 N
d)250 N
To balance the friction, you must give a force of 5kg*5m/s^2*0.4
]]>Pls help.
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