Describe a contact force and a noncontact force that affect the motion of a baseball after a pithcher has thrown the ball.
contact force: the bat or the catcher's mitt
noncontact force: gravity
aerodynamic forces that also act are really contact forces -- contact with air
Thank you, it helped me understand contact and non-contact forces when a baseball hits.
A contact force is a force that occurs when two objects are in physical contact with each other. In the case of a baseball after a pitcher has thrown the ball, one example of a contact force that affects its motion is the force of gravity. Gravity pulls the baseball downward, causing it to follow a curved path called a parabola as it moves through the air.
A noncontact force is a force that acts on an object without physical contact with it. In the case of a baseball, one example of a noncontact force that affects its motion is air resistance (also known as drag). Air resistance opposes the motion of the baseball as it moves through the air. This force becomes more significant as the baseball accelerates, making it harder for the ball to maintain its speed and distance traveled. Air resistance can also cause the ball to curve and change its trajectory.
A contact force is a force that occurs when two objects are physically in contact with each other. In the case of a baseball after a pitcher has thrown the ball, an example of a contact force that affects its motion is the force of gravity. Gravity pulls the ball downward, causing it to follow a curved trajectory towards the ground. The contact force of gravity acts on the ball regardless of any physical contact between the pitcher and the ball.
On the other hand, a noncontact force is a force that acts on an object without any physical contact. In the context of a baseball's motion after being thrown by a pitcher, an example of a noncontact force is air resistance or drag. As the ball moves through the air, air molecules collide with it, creating resistance against its motion. This noncontact force of air resistance opposes the ball's forward motion, slowing it down and causing it to eventually come to a stop.
To summarize:
- Contact force: The force of gravity acts on the baseball due to its interaction with the Earth, regardless of any physical contact with the pitcher.
- Noncontact force: Air resistance or drag interacts with the baseball as it moves through the air, slowing it down and eventually bringing it to rest.