How Do You Calculate Forces and Time for a Falling Object?

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playW/Gravity
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Homework Statement


The height of which it will be dropped 5.1816m, then the mass is 0.057kg. and the gravity is 9.8m/s^2 .What is the force downward? what's the net force and what's the up force? and what's the time to hit the ground?


Homework Equations


Fg=m*g


The Attempt at a Solution


Fg=.057kg*9.8=.5586 N
thats all i know how to do thanks
 
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playW/Gravity said:

Homework Statement


The height of which it will be dropped 5.1816m, then the mass is 0.057kg. and the gravity is 9.8m/s^2 .What is the force downward? what's the net force and what's the up force? and what's the time to hit the ground?


Homework Equations


Fg=m*g


The Attempt at a Solution


Fg=.057kg*9.8=.5586 N
thats all i know how to do thanks

The only other thing that may be significant is are resistance once the mass starts falling. If the mass is a lead pellet, air resistance won't have much significance. If the pass is a huge block of polystyrene, air resistance will be significant.
The only thing you know for sure is that air resistance on a falling object is directed up.
 
PeterO said:
The only other thing that may be significant is are resistance once the mass starts falling. If the mass is a lead pellet, air resistance won't have much significance. If the pass is a huge block of polystyrene, air resistance will be significant.
The only thing you know for sure is that air resistance on a falling object is directed up.

its an egg , but how do u fund the other forces
 
playW/Gravity said:
its an egg , but how do u fund the other forces

I would have thought gravity and iar resistance is all.

For all situations, remember the following.

Field forces arising from Gravity, electrostatics and magnets act without contact.

All other forces are contact forces - something pushing, or pulling via a thread/string.

For the egg you can likely rule out electrostatics and magnets, so we have gravity plus anything else that is touching the egg.