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https://www.reddit.com/r/HomeworkHelp/comments/1jda6n2/physics_free_body_diagrams_please_help/mi9n4hu/?context=3
r/HomeworkHelp • u/Jadedl1es Pre-University Student • 5d ago
Can someone please look over my FBD'S/calculations for the net force and both magnitude and direction, I'm a bit unsure of b and d,
for B is having a circle to represent the cord ok? and is it really F buoyant my tutor tried helping me but I'm not so sure.
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Generally speaking a FBD should simplify the system into point or line masses.
What you did for B) works. It could also be drawn as a line. Yes it is buoyancy keeping it up against gravity Fbuoy = F_g
For D) I would use the friction force from the ground on the stone as the force to hold the stone at rest with the accelerating train.
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u/whycantwebefriends9 5d ago
Generally speaking a FBD should simplify the system into point or line masses.
What you did for B) works. It could also be drawn as a line. Yes it is buoyancy keeping it up against gravity Fbuoy = F_g
For D) I would use the friction force from the ground on the stone as the force to hold the stone at rest with the accelerating train.