In the given arrangement, the normal force applied by block on the ground is
$m g$
$m g-F \cos \theta$
$m g+F \cos \theta$
$F \cos \theta$
Three weights $W, 2W$ and $3W$ are connected to identical springs suspended from a rigid horizontal rod. The assembly of the rod and the weights fall freely. The positions of the weights from the rod are such that
A car accelerates on a horizontal road due to the forces exerted by
Write Aristotle’s law regarding motion.