1. Assuming F is 90lb, coefficient of static friction 48=0.2, and the coefficient of kinetic friction uk-0.16.Determine the distance the 100 lb crate moves in 2seconds.F30°2.The crate shown in the figure has a mass of 120 kg.,coefficient of static friction HS=0.6, and the coefficientof kinetic friction uk=0.5. Determine the tension inwhich the winch must exert on the cable to start thecrate to slide up.Hint: the coefficient of static friction is used to determinethe maximum friction force the surface can support.

we have to determine the distance travelled by the box along the plane

Answered: 1. Assuming F is 90lb, coefficient of…

1. Assuming F is 90lb, coefficient of static friction: =0.2, and the coefficient of kinetic friction uk-0.16. Determine the distance the 100 lb crate moves in 2 seconds.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.63P: The leather rein used to fasten the horse to the hitching rail weighs 3.5 oz per foot. The...

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Question

1. Assuming F is 90lb, coefficient of static friction 48
=0.2, and the coefficient of kinetic friction uk-0.16.
Determine the distance the 100 lb crate moves in 2
seconds.
F
30°
2.The crate shown in the figure has a mass of 120 kg.,
coefficient of static friction HS=0.6, and the coefficient
of kinetic friction uk=0.5. Determine the tension in
which the winch must exert on the cable to start the
crate to slide up.
Hint: the coefficient of static friction is used to determine
the maximum friction force the surface can support.

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