A Squirrel Proof Bird Feeder Has A Lever That Closes To Protect The Seeds When A 0 44 Kg Squirrel Sits On It But Not Wh 1 (27.11 KiB) Viewed 38 times
A Squirrel Proof Bird Feeder Has A Lever That Closes To Protect The Seeds When A 0 44 Kg Squirrel Sits On It But Not Wh 2 (17.59 KiB) Viewed 38 times
A squirrel-proof bird feeder has a lever that closes to protect the seeds when a 0.44-kg squirrel sits on it, but not when a 0.059-kg bird perches there. ▼ Part A If the lever radius is 9.6 cm, what torque does the squirrel exert on it? Express your answer to two significant figures and include appropriate units. Value HÅ Part B Submit Request Answer Value Submit Units If the lever radius is 9.6 cm, what torque does the bird exert on it? Express your answer to two significant figures and include appropriate units. Units Request Answer ? ?
Part C The torque produced by the animal is balanced by a spring that applies a perpendicular force a distance of 3.5 cm from the axis of rotation. If the squirrel must stretch the spring 3.0 cm in order to close the lever and protect the seeds, what should be the force constant of the spring? Express your answer to two significant figures and include appropriate units. Value Submit Units Request Answer ?
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