A wheel spinning in the sense shown on a frictionless axle is standing up on a fixed pivot. If an external force is applied to the wheel's axle at point A in a direction directly out of the page at you (O) while the bottom end of the axle remains fixed on the pivot, which way will the wheel's axle tip due to the torque provided by this applied force (i.e., in which direction will point A move as the wheel's spin angular momentum is changed by the applied torque)?

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QUESTION 2
A wheel spinning in the sense shown on a frictionless axle is standing up on a
fixed pivot.
If an external force is applied to the wheel's axle at point A in a direction directly
out of the page at you (O) while the bottom end of the axle remains fixed on the
pivot, which way will the wheel's axle tip due to the torque provided by this applied.
force (i.e., in which direction will point A move as the wheel's spin angular
momentum is changed by the applied torque)?
B.
D
E.
F.
t
Into the page (8)
Out of the page (Ⓒ)
A
Transcribed Image Text:QUESTION 2 A wheel spinning in the sense shown on a frictionless axle is standing up on a fixed pivot. If an external force is applied to the wheel's axle at point A in a direction directly out of the page at you (O) while the bottom end of the axle remains fixed on the pivot, which way will the wheel's axle tip due to the torque provided by this applied. force (i.e., in which direction will point A move as the wheel's spin angular momentum is changed by the applied torque)? B. D E. F. t Into the page (8) Out of the page (Ⓒ) A
QUESTION 9
For this precessing gyroscope, which of the following components of
force act on the gyroscope due to the pivot?
A.
B.
C.
D.
E.
Vertical
Vertical ↓
Horizontal
Horizontal →→→
NONE of the other choices
Circular motion
of flywheel axis
(precession)
Pivot-
Path followed
by free end of
axis
Ω
Flywheel
@
Flywheel
axis
Rotation of
flywheel
Transcribed Image Text:QUESTION 9 For this precessing gyroscope, which of the following components of force act on the gyroscope due to the pivot? A. B. C. D. E. Vertical Vertical ↓ Horizontal Horizontal →→→ NONE of the other choices Circular motion of flywheel axis (precession) Pivot- Path followed by free end of axis Ω Flywheel @ Flywheel axis Rotation of flywheel
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