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Physics
Physics
Problem
A wheel rotates about a fixed axis with uniform angular speed
ω
\omega
ω
. Point
P
P
P
is on the rim at radius
R
R
R
, while point
Q
Q
Q
lies on a spoke at radius
R
2
\dfrac{R}{2}
2
R
. What is the ratio
v
P
v
Q
\dfrac{v_P}{v_Q}
v
Q
v
P
of their linear speeds? a)
1
:
1
1:1
1
:
1
b)
1
:
2
1:2
1
:
2
c)
2
:
1
2:1
2
:
1
d)
4
:
1
4:1
4
:
1
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