Unformatted text preview: and fangle constant k, is s
changes fNow that we have the equilibriumasses overwescan ﬁnd the torques harmonicplank makes an
rom horizontal to vertical as it p position, a olid
motion, the period of its motion is
pulley of θ iameter 4.00 cm. TSinceulley plank cannot change its length (we assume), the amount that the
d with the vertical. he p the is free to turn on a
spring stretches should section of the string supﬁxed smooth axle. The vertical correspond to the arc length that the tip of the plank moves through, Lθ,
M (m s/3)
ports a 200-g object. The string does not slip at its contact
with the pulley. Find the frequency of oscillation of the
object if the mass of the pulley is (a) negligible, (b) 250 g,
A two-part experiment is conducted with the u
and (c) 750 g.
blocks of various masses suspended vertically fro √ if the angle is relatively small.ii The spring is therefore displaced by an amount Lθ − xo from its
unstretched length. This gives us the spring’s restoring force. Since the spring is...
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