How does air resistance affect the acceleration of falling objects?

With air resistance, acceleration throughout a fall gets less than gravity (g) because air resistance affects the movement of the falling object by slowing it down. How much it slows the object down depends on the surface area of the object and its speed.

What happens to a falling object when the force of air resistance equals the force of gravity?

Terminal velocity is reached when the force due to air resistance (upward) equals the force due to gravity (downward). At terminal velocity there is no net force and therefore no further acceleration.

What falls first watermelon or egg?

The correct answer is the last one: the two will hit the ground at the exact same time. This is because gravity accelerates all objects equally, even if one object is heavier than the other. The watermelon also has a lower acceleration because it is heavier and the egg the opposite.

What gave Sir Isaac Newton the idea about gravity?

The legend is that Newton discovered Gravity when he saw a falling apple while thinking about the forces of nature. Whatever really happened, Newton realized that some force must be acting on falling objects like apples because otherwise they would not start moving from rest.

Why does the water feel a reaction force from the bucket?

Hence the water feels a reaction force from the bucket. This contact force is simply the force required to hold the water at a given radius minus the force of gravity: Another way to think about it is if you desperately tried to move through a wall the wall would exert a force on you and the force would increase the harder you tried.

Why can’t a bucket of water move when the radius is constant?

the force needs to be greater at higher velocities if the radius is constant. This means that gravity is no longer able to supply all the acceleration required to keep the water inside the bucket on its circular path. The water wants to move to a larger radius but it cannot because the bucket is in the way.

Why does the water stay in the bucket when you swing?

As long as you swing the bucket fast enough, the force of the water pushing on the bottom of the bucket (centripetal force) will be stronger than gravity and the water will stay in the pail. Of course, if you swing too slowly, you’ll get wet

Is the vertical acceleration of a bucket = G?

It is sufficient to demonstrate that the vertical acceleration of the bucket is ≥ g; for this you can consider the curvature and resulting change in velocity vector. Which looks a lot like the derivation of centripetal force, of course…