16 A loaded penguin sled weighing 80 N rests on a plane - clined at angle 0=20° to the horizontal (Fig. 6-23). Between tbe sled and the plane, the coefficient of static friction is 0.25. and th coefficient of kinetic friction is 0.15. (a) What is the least mag tude of the force F, parallel to the plane, that will prevent the sled from slipping down the plane? (b) What is the minimum magni. tude F that will start the sled moving up the plane? (c) What value of F is required to move the sled up the plane at constant %3D velocity? Fig. 6-23 Problems 16 and 22.

16 A loaded penguin sled weighing 80 N rests on a plane - clined at angle 0=20° to the horizontal (Fig. 6-23). Between tbe sled and the plane, the coefficient of static friction is 0.25. and th coefficient of kinetic friction is 0.15. (a) What is the least mag tude of the force F, parallel to the plane, that will prevent the sled from slipping down the plane? (b) What is the minimum magni. tude F that will start the sled moving up the plane? (c) What value of F is required to move the sled up the plane at constant %3D velocity? Fig. 6-23 Problems 16 and 22.

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter4: The Laws Of Motion

Section4.5: Applications Of Newton's Laws

Problem 4.6QQ: For the woman being pulled forward on the toboggan in Figure 4.33, is the magnitude of the normal...

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