Find the magnitude of the friction force
A grinding wheel of radius 0.350 m rotating on a frictionless axle is brought to rest by applying a constant friction force tangential to its rim. The constant torque produced by this force is 75.0 N · m. Find the magnitude of the friction force.
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The spring stretches 0.200m. The block is pulled at a constant speed of 0.0500 m. What is the spring constant and the coefficient of kinetic friction.
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A grinding wheel of radius 0.350 m rotating on a frictionless axle is brought to rest by applying a constant friction force tangential to its rim. The constant torque produced by this force is 75.0 N · m. Find the magnitude of the friction
It is now allowed to relax back to its equilibrium length and then it is stretched an additional 2.30 cm. How much work is done by the spring during this process?
A horizontal 790-N merry-go-round of radius 1.30 m is started from rest by a constant horizontal force of 50 N applied tangentially to the merry-go-round. Find the kinetic energy of the merry-go-round after 5.0 s.
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