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(25) times (desired rate of acceleration) Newtons.
Depends on its mass. It takes more force to accelerate a heavier ball, but a lighter one is more affected by air resistance.
Any amount of force can stop either kind of ball. But a greater force is required to stop a bowling ball than to stop a soccer ball IN THE SAME TIME, because the bowling ball has more mass, and therefore more momentum and more kinetic energy.
Because of the extra impulse required to send the ball on its way.
Because there's a constant downward vertical force on the ball, so it must accelerate downward. If you give it an initial upward velocity, the magnitude of that upward velocity must steadily decrease, and it must eventually dwindle to zero and then become downward velocity. The constant downward vertical force on the ball is the force of attraction between the mass of the ball and the mass of the Earth, caused by gravity.
Badminton - Force required to hit the shuttlecock Tennis - Force required to hit the ball Football - Force required to kick the ball Rugby - Force required to throw/kick the ball
The harder you hit the ball, makes it accelerate and makes it difficult to return the ball back on the table.
bowlig ball
F = M A = (6) x (2) = 12 newtons
Not all moving objects accelerate. In general, an object will accelerate if there is a net force acting on it. For a ball in the air, this might be gravitation + air resistance; for a moving car (once you turn the engine off) it might be the force of friction; etc.
No, you do not have to use as much force if you accelerate the ball over a longer distance. This means you are slowing it at a lower rate, but take long enough for the slowing to make a difference.
(25) times (desired rate of acceleration) Newtons.
Gravity will accelerate any object (aka, the ball) towards the center of the earth, (or "down") at 10m/s2.
Acceleration is the change in speed or direction. When the ball strikes a wall it will likely rebound. That is a change in direction. Some of the energy of the ball went into heat and sound so, that is also a change in speed. The only wall that would have no effect on the ball's acceleration would be a wall of light or an imaginary wall.
Unbalanced forces are important in order to move anything. An object under balanced forces does not move. For example as you sit in your chair reading this, gravity is exerting a force on your body downwards but your chair balances this force by exerting a force upwards on you that is equal and opposite to the force of gravity. These two forces oppose each other and therefore you do not move. In tennis in order to change the direction of a tennis ball you need to exert a net force(an unbalanced force) in the direction you want the tennis ball to move. In tennis there are also unbalanced torques(a force acting at a distance from a pivot point) on the ball that cause the ball to spin. Hope that helps.
If a rolling ball was rolling towards you, it is already under a force , otherwise it wouldn't be moving. If you then gave the ball a whack, propelling the ball in the same direction, you would increase the force and, thereby, increase the speed.
Force