Couple of Physics Question dealing with momentum, force, etc

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SUMMARY

This discussion addresses fundamental concepts in physics related to momentum and force. When pulling a cart at a constant velocity, the net force is zero due to balanced forces acting on the cart. In the case of a thrown baseball, it experiences gravitational force and an upward force during its ascent, but the net force becomes zero at the peak of its trajectory, assuming no air resistance. The discussion emphasizes the importance of understanding net force in different scenarios.

PREREQUISITES
  • Newton's Laws of Motion
  • Concept of Net Force
  • Understanding of Gravitational Force
  • Basic principles of Momentum
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  • Study Newton's Second Law of Motion in detail
  • Explore the concept of gravitational force and its effects on projectiles
  • Learn about momentum conservation in various physical systems
  • Investigate the impact of air resistance on projectile motion
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Students of physics, educators teaching basic mechanics, and anyone interested in understanding the principles of force and motion in real-world applications.

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Suppose I am pulling on a cart at a constant velocity, what is my net force. Is it zero?

If I throw a baseball in the air, neglecting air resistance, what does the ball experience when it comes out your hand and before it hits the ground? does it experience it's weight and also a decreasing upward force.
 
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Net force is zero if there is no friction.
Well, ball feels the same force (assuming both events are on equal height, like I think it was meant)
 

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