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A horse pulls a cart with force F⃗ . As a result of this force the cart accelerates with constant acceleration. The magnitude of the force that the cart exerts on the horse
equal to the magnitude of F⃗ .
is zero newtons.
greater than the magnitude of F⃗ .
less than the magnitude of F⃗ .
cannot be determined without knowing the mass of the horse.
An object of mass m rests on a flat table. The earth pulls on this object with a force of magnitude mg. What is the reaction force to this pull?

Respuesta :

Answer:

Equal to the magnitude of F⃗

Explanation:

By Newton's third Law of motion, which states that:

When two bodies interact they apply forces to one amother, which are equal in magnitude and opposite in direction.

If the horse applies a force F⃗ on the cart, the cart must exert an equal and opposite force on the horse.

That is, the magnitude of the force applied by the horse on the cart is EQUAL to the magnitude of the force applied by the cart on the horse, but OPPOSITE in direction.

The magnitude of the force that the cart exerts on the horse  is equal to the magnitude of force F .

From newton's third law,

Newton's third law states that when two bodies interact, they apply forces to one another that are equal in magnitude and opposite in direction.

Therefore, When horse pulls a cart with force F then the cart exerts force on the horse  is equal to the magnitude of F.

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