Why has a horse to pull a cart harder during the first few steps of his motion ?

Assertion : A horse has to pull a cart harder during the first few steps of his motion. Reason: The first few steps are always difficult.

Why does a horse have to pull a cart harder during the first few steps of motion?

Chlorophyll shows an outburst of flourescence during the first few moments of illumination. This effect is called

When a horse pulls a cart, the force which is responsible for the movement of cart is

When a horse pulls a cart, the force that helps the horse to move forward is the force exerted by

Explain why? (a) a horse cannot pull a cart and run in empty space. (b) passengers are thrown forward from their seats when a speeding bus tops suddenly (c) It is easier to pull a lawn mower than to push it. (d)a cricketer moves his hands backwards while holding a catch

Ram covers a distance of 100 km with variable speed. During the first half of his journey his speed was 20 km/h and during the rest of his journey his speed was 40 km/h. Calculate the average speed of Ram during the whole course of his motion.