Is it true or false that a group of animals limits the species of plants that grow in an area.

Since the initial and the final velocity are just equal, it is implied that the acceleration is zero. This means that the net force acting on the body is also zero. The horizontal force should be equal to the force of friction. The force of friction is equal to the product of the coefficient and the normal force. 
                               

 Ff = (coefficient of friction) x Fn

The normal force is equal to the object's weight if the surface is horizontal.

                               Ff = (0.20) x (30 kg) x (9.8 m/s²)  = 58.8 N


Thus, the horizontal force exerted must be 58.8 N. 



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