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gravity
gravity
True. Gravity.
No matter how the ball is thrown (spin, slider, etc.) the two main forces acting on a ball thrown are the force along the direction of the flight of the ball and the force of gravity that always pulls it towards the center of the earth.
-- The only horizontal force on a thrown ball is the force of air resistance, so the horizontal acceleration is very small, and the horizontal speed stays almost constant. -- The vertical force on a thrown ball is the force of gravity, so the ball accelerates straight down at the acceleration of gravity. -- The result of unequal horizontal and vertical components of acceleration is a curved path.
gravity
gravity
True. Gravity.
The force that acts on a ball when in the air is gravity.
No matter how the ball is thrown (spin, slider, etc.) the two main forces acting on a ball thrown are the force along the direction of the flight of the ball and the force of gravity that always pulls it towards the center of the earth.
-- The only horizontal force on a thrown ball is the force of air resistance, so the horizontal acceleration is very small, and the horizontal speed stays almost constant. -- The vertical force on a thrown ball is the force of gravity, so the ball accelerates straight down at the acceleration of gravity. -- The result of unequal horizontal and vertical components of acceleration is a curved path.
The force that acts on a ball when in the air is gravity.
gravity The downward force of gravity becomes greater than the force you put into throwing the ball upward.
The ball returns to the ground with increasing velocity due to acceleration due to gravity. At a point (terminal velocity) the ball maintains a constant velocity (due to air resistance) This occurs when the weight of the ball is equal to the viscous drag of the air (air resistance) and upthrust (weight of air displaced).
On the bullet itself, gravity and air friction.
acceleration due to gravity acting on it, which causes it to increase in speed as it falls. The force of air resistance also acts on the ball, gradually slowing it down. Eventually, the ball reaches terminal velocity, where the force of gravity is equal to the force of air resistance and the ball falls at a constant speed.
gravity