تم الحل ✓
categoryهندسة ميكانيكية
schoolبكالوريوس
event_available2026-07-14
السؤال
Transcribed Image Text:
The t-component of the force F is known to be 75 N.
Determine the n-component and the magnitude of F.
F
n
10°
30°
y
X
The problem has not been provided with a
coordinates, so defined the coordinates
first as shown.
We can then define the involved vectors:
F= |F|e= |F|(cos10°^- sin1001)
t=1e cos300+ sin30°^
=
ñ = 1e₁₁ = −cos60ºıˆ+ sin60ºƒ^
A small probe P is gently forced against the circular
surface with a vertical force F as shown. Determine
the n- and t-components of this force as functions of
the horizontal position s.
P
The problem has not been provided with a
coordinates, so defined the coordinates first
as shown.
We can then define the involved vectors:
F = |F|eˆ= −|\F\J^
tle cosα- sinaj^
n = len = sinaiˆ+ cosaj^
Where
S
cosa =
; sina =
r
r
X
The t component of the force F is = F · t =
-|F|j (cosa sinaj) = |F|sina ==|F|
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