Question

A horse pulls a cart along a flat road. Consider the following four forces that arise in this situation.
(1) the pulling force of the horse on the cart
(II) the pushing force of the horse on the road
(III) the pulling force of the earth on the horse
(IV) the pushing force of the road on the horse
Suppose that the horse and the cart have started from rest; and as time goes on, their speed increases
in the same direction. Which one of the following conclusions is correct concerning the magnitudes
of the forces mentioned above?
(1) Force (I) exceeds force (III)
(2) Force (II) exceeds force (IV)
(3)Force (III) is less than force (II)
(4) Force (III) exceeds force (IV)​

Answer 1

Answer:3 is right answer

Explanation:

Force 2 = 4,1=3

Bcoz ,Action = - reaction

Horse exert more force on road so that road exert more force on him to overcome the force exerted by the cart

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Answer 2

(1) Force (I) exceeds force (III)

Explanation:

Given that the horse pulls a cart along a flat road and as time passes, their speed increases in the same direction. In this situation, we know that the pulling force of the horse on the cart is higher than the pulling force of the cart on the horse in order for movement to take place in the same direction. Force I > Force III.

Option 1 is the answer.