Asked by Anonymous
50kg iceskater turns a bend at 7m/sec. if the radius of the curve is 5 meters, what is the centripetal force provided by the friction between the blade of the skate and the ice?
Answers
Answered by
drwls
Whoever wrote this question does not realize that the force they are asking for is NOT a friction force. It is a lateral force on the EDGE of the blade that keeps the skater on a circular path.
You should mention this to your teacher, if you have one.
If it were a friction force, it would be opposite to the direction of motion and would result in a slowing down of the skater.
The force that are asking for is the centripetal force, M V^2/R
You can do the numbers yourself
You should mention this to your teacher, if you have one.
If it were a friction force, it would be opposite to the direction of motion and would result in a slowing down of the skater.
The force that are asking for is the centripetal force, M V^2/R
You can do the numbers yourself
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