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Gallelio, when he dropped two stones of unequal weight from the top of the leaning tower of Pisa.

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14y ago
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Galileo

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Q: Who said all objects fall at the same rate of speed?
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Who said that objects fall at the same rate of speed and challenged the teachings of the church?

Galileo said any two objects in a vacuum will fall at the same rate.


Do all objects fall at the same speed down a slope?

no, some are heavier therefore fall faster. not! all objects fall at the same rate no matter what size, Galileo said that DUH! both are wrong... partially. Some objects have more air resistance than others. The more air resistance, the slower an object will fall to the ground. ;-) -Th


Aristotle said heavy objects will fall faster and Galileo said heavy and light objects will fall at the same acceleration?

Yes, that is correct.


Objects moving at a constant speed in a straight are said to be in?

Objects moving at constant speed in a straight line are said to be in equilibrium. That is there is no force acting on them. If a force was acting there would be aceleration and the velocity would change.


What is speed a change in rate of?

that's what your mom said last night


Can a quarter and a feather fall at the same speed?

theoritically yes. if they are placed in a vacuum packed room with no air, just empty space, they can fall at the same rate. if they fell in air, the aerodynamics wouldn't equal out, so the quarter would fall faster.


What objects in space are affected by the sun's gravity?

Such an object is said to be in free fall.


What was the basic idea behind newtons law of gravity?

All physical objects, he said, had a force of attraction between them, the strength of the force depended on the masses of the objects and the distance between them.


How do enzymes get a reaction started?

My Biology teacher said "They speed up the rate at which all parts react"


Did Al-Khazini and Al-Biruni found the science of gravity?

Yes , he said "The objects fall to the ground because of the forces of attraction in it"


Two objects are the same shape and size they are said to be?

Such objects are said to be congruent.


Do more massive objects fall faster than lighter objects?

No. This is shown as far back as Galileo's dropping of different weights out of the Leaning Tower of Pisa, where each weight reached the ground the same time. This is because the acceleration due to gravity is constant (9.81 m/s^2) on Earth, so all objects increase in velocity at the same rate regardless of mass. true -apex I think the answer might be yes. With out a doubt most would say that only uneducated or extremely dumb people would think that heavier objects fall faster since nowadays it is taught over and over in our public schools that everything falls at the same rate. This being said, however, I remember once reading an article over gravity that disputed the common idea of everything falling at the same rate. The problem with running tests on earth is the sheer massivness of its gravitational pull. Compare the two objects being tested... lets say a marble and a bowling ball... and pit them against the macro scale size of the Earth. By comparison the two objects are virtually the same size and therefore appear to fall at the same rate! The difference of the time of thier fall is so negligible that there is practically no difference at all. One has to look at the Earth as an object also, however, and note that it too is falling toward the objects being dropped... though the force the two objects exert on the Earth is miniscule. Imagine though another Earth sized object being dropped on the Earth! Then the objects would fall toward eachother and be essentially falling from both ends which would in fact reduce the time it took them to meet. People tend to forget that everything is relative to thier perspective. The more massive the object being dropped the more pull it has on the object it is being pulled to, making the object it is falling toward meet it somewhere in the middle. It is true that Earth pulls on everything the same... but not everything pulls on the Earth the same. The difference of the pull on the Earth exerted by the objects being tested is so puny that it is disregarded and for all practical purposes and people say that things fall at the same rate. To me, this is a disgusting perversion of the truth. It would be the equivalent to comparing the speed of cars to the speed of light and saying that all cars travel at the same speed regardless of make, model, or year. - 48daniel