IDNLearn.com makes it easy to get reliable answers from knowledgeable individuals. Join our community to receive timely and reliable responses to your questions from knowledgeable professionals.
A tradesman sharpens a knife by pushing it with a constant force against the rim of a grindstone. the 40-cm-diameter stone is spinning at 150 rev/min and has a mass of 28 kg. if the stone slows steadily to 130 rev/min in 10 s of grinding, what is the frictional force of the knife on the grindstone
Sagot :
Thank you for using this platform to share and learn. Keep asking and answering. We appreciate every contribution you make. Your search for answers ends at IDNLearn.com. Thanks for visiting, and we look forward to helping you again soon.
