Força centripeta
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Transcript of Força centripeta
![Page 1: Força centripeta](https://reader031.fdocument.pub/reader031/viewer/2022031912/55b3d4dabb61eb61598b45df/html5/thumbnails/1.jpg)
![Page 2: Força centripeta](https://reader031.fdocument.pub/reader031/viewer/2022031912/55b3d4dabb61eb61598b45df/html5/thumbnails/2.jpg)
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F = m . V2
RF = m . ac
![Page 4: Força centripeta](https://reader031.fdocument.pub/reader031/viewer/2022031912/55b3d4dabb61eb61598b45df/html5/thumbnails/4.jpg)
P - NA = m . ( VA )2
R A
NB - P = m . ( VB )2
RB
VA
VB
A
BP
P
NA
NB
O
O
ac
ac
![Page 5: Força centripeta](https://reader031.fdocument.pub/reader031/viewer/2022031912/55b3d4dabb61eb61598b45df/html5/thumbnails/5.jpg)
N = P T = m . V 2
R
R
O T
N
P
![Page 6: Força centripeta](https://reader031.fdocument.pub/reader031/viewer/2022031912/55b3d4dabb61eb61598b45df/html5/thumbnails/6.jpg)
NB + P = m . ( VB ) 2
R
N B = 0 ... Vmin = R . g
B
A
R
VB
VA
P
N
P N
NA - P = m . ( VA)2
R
![Page 7: Força centripeta](https://reader031.fdocument.pub/reader031/viewer/2022031912/55b3d4dabb61eb61598b45df/html5/thumbnails/7.jpg)
N = PFat = m . V2
R
N
P
OFat
ac
![Page 8: Força centripeta](https://reader031.fdocument.pub/reader031/viewer/2022031912/55b3d4dabb61eb61598b45df/html5/thumbnails/8.jpg)
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X
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= ?Solução:Fat = m . V2
R
. P = m . V2
R
. m . g = m . V2
R
. 10 = 400200
. 10 = 2
= 2 : 10
= 0,2
. 10 = 202
200
72 km/h : 3,6
20 m/s
![Page 11: Força centripeta](https://reader031.fdocument.pub/reader031/viewer/2022031912/55b3d4dabb61eb61598b45df/html5/thumbnails/11.jpg)
N = ?Solução: P - NA = m . ( VA )2
R A
(1000 . 10) - N = 1000 . 202
80
10000 - N = 1000 . 400 80
10000 - N = 1000 . 5
10000 - N = 5000
10000 - 5000 = N
5000 = N
N = 5000 N
VA
VB
A
BP
P
NA
NB
O
O
ac
ac
![Page 12: Força centripeta](https://reader031.fdocument.pub/reader031/viewer/2022031912/55b3d4dabb61eb61598b45df/html5/thumbnails/12.jpg)
Solução:
N - P = m . ( V )2
R
N – (2 . 10) = 2 . 22
1
N – 20 = 2 . 4
N – 20 = 8
N = 8 + 20
N = 28 newtons
N = ?
N
P
N > P
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