will an 80kg guy of a 30 kg guy fall faster to the ground assuming that there is no air resistance.?
606294
If they were in the same place and time, 'same' mathematically, they would fall at same speed.\n\nIf they were in different places or time, the forces exert on them may be different e.g. the moon which cause tides, and the gravitational acceleration 'g' is different from place to place.\n\nMy answer is different, coz' I am not a physicist but an engineer. I take everything into account. Of course, there are many forces beside gravitation and air resistant.\n\n"No air resistant" doesn't mean that there is only gravity. Besides, gravity different from place to place.
784996
Probably could safely fall from 20 feet or so onto grass and not die...could be shaken up a bit.  They weigh a lot less than we do, so the impact wouldn't be as bad...landing on concrete, however, might hurt one pretty bad.  Usually they don't fall all that often...pretty good little acrobats.
354450
WORK IS EQUAL TO ZERO (READ ALL FOR EXPLAINATION)\nmass of body=30kg\nits weight=30kg X 9.8m/s^2\nweight= 294N\n\nBUT HERE WE DON'T HAVE TO DEAL WITH ITS WEIGHT.\n\nAs the body is moving at constant speed, it means that it's not accelerating and thus no force is being applied to it.\n\nOr in other way\n\nthe frictional force which is 20N is canceling the force with which the boy is moving the body. Thus the boy is also exerting a 20N force (20N - x = 0, of course x=20N)\n\nTHE WORK IS ZERO BECAUSE THE FORCE IS ZERO TOO.\n\nsince the frictional force is cancelling the force of the boy.\n\n20N(frictional force)-20N(force applied)=0\nResultant force = 0\n\nFIND WORK NOW\n\nwork =  net force X distance\nwork =  0  X  5m\nwork =  0 joule\nNo work is done\n\nLISTEN\nThe person below me by the name of sblogs is incorrect as I think. Let me prove this by giving some EXAMPLES\nPUSH THE WALL BUT THE WALL WILL NOT MOVE FROM ITS PLACE THOUGH YOU ARE WASTING ENERGY BUT THE WORK DONE IS ZERO.\nBECAUSE THE WALL DOESN'T MOVE THROUGH SOME DISTANCE.\nWORK= FORCE X DISTANCE\nWORK= (FORCE APPLIED ON THE WALL) X (ZERO METERS)\nWORK= F X 0\nWORK= 0 JOULE
617842
it certainly wont (provided it is not run over when it reaches the ground.)because it is very light it will be affected by the wind and will manage to make a smooth landing,however if the wind velocity is high it will die.(i am answering takin into consideration that the ant does not get a heart attack!)
1048704
yes. the fact that he is still on the ground means that some force is holding him down which would be gravitational force. if there was no graviatational force then he would be 'floating' in the air as if in outer space.
81552
If you disregard air resistance, both land at the same time.\n\nThe Earth's gravitational pull affects everything equally.
323244
This is conceivable, but only in a very low/no gravity environment.  Thanks for your thoughtful question.
926831
Dont do it, youll end up collapsing
321959
they would fall at the same time unless there is a force acting upon one of the weight...
1149808
smart ,huh, dont wanna hurt wen u have a fall???
913200
Both their accelerations will be the same and equal to the acceleration due to gravity, g=9.81 m/s/s...This is coz the only force acting on them is the force due to gravity
1043854
This is a cool question.  If you were able to tunnel through the Earth, and fall through, your speed would keep increasing until you reached the graviational center.  At that point, the net gravitational force is zero, because all of the forces cancel.  However, you wouldn't just stop because of your inertia.  You would go right through, but then you would begin to slow down, until you reached the other hole.  Depending on how high you started from the first hole, and lets say you jumped five feet above the hole, you would come to a complete stop five feet above the second hole.  Then you would fall back through and continue that cycle.  (Of course we aren't considering air resistance, which screws everything up! ;0)\n\nGuess how long it would take to make it to the other side of the Earth through that tunnel?  Approximately 42 minutes!  Not a bad way of traveling.\n\nThe other cool thing is, if you were to tunnel from say New York to Berlin, which means the tunnel isn't obviously through the middle of the Earth, it would still take you 42 minutes!
729735
both are the same if it is drop at the same height because the gravity speed is 10 ms-2 (9.81ms-2 more accurate)
435954
i'm assuming that you are ralking bout a hole being drilled right thru the earth and somebody falling into it...............you would accelerate and move towards the center and reach the opposite end of earth, at which point your velocity will reduce to zero and you will again move back to the cetre of earth and then onto the starting place.............in simple words you would execute Simple Harmonic Motion(SHM)
765838
Trick question... all things regardless of weight fall at the same speed. You need to know how big the item is first... this is the only way to calculate resistance.
777336
Everyone is weightless in space. \n\nWe float because of the lack of gravity. A persons weight, is basically a measure of gravitational force acting downward on them so no gravity= no weight. \n\nWeight is a persons mass (How much space they take up) , multiplied by the acceleration due to gravity at any point on earth ( the rate at which a falling object increases it's speed as it falls -- 9.8 meters per second) . \n\nIf you take away the force of gravity then no matter what the persons mass is, the weight is still zero because any number multiplied by zero is still zero. The person mass in space would still be the same. They would still be bigger, because their mass doesn't change, but yes they would float.
454933
Yes, you will land in the same spot, but please be careful when you try that, don't slip on the floor after jumped in the air on a fast moving train. :-)