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Please I have an exam after 3 days . A ball of mass 50 g rotates in a circular path of radius 20 cm.A tangetial force of magnitude 10N acts on the ball for 5 second,in the direction of rotation.By how
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Please I have an exam after 3 days .

A ball of mass 50 g rotates in a circular path of radius 20 cm.A tangetial force of magnitude 10N acts on the ball for 5 second,in the direction of rotation.By how much does its angular velocity increase ?​

User Linor
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0.87 N is the answer explaination a wheel of mass 10kg and radius 20cm is rotating at an angular speed of 100 rev/min when the motor is turned off.
To find the force that must be applied tangentially to the wheel to bring it to rest in 10 revolutions.
User Ali Reza Dehdar
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