A large crate with mass m = 12 kg rests on a horizontalfloor. The static and kinetic coefficients of frictionbetween the crate and the floor are s = 0.4 and =0.3, respectively. A woman pushes downward on thecrate at an angle e = 30° below the horizontal with aforce F. What is the magnitude of the force vector Frequired to keep the crate moving at constant velocity?(Use g = 9.8 m/s?)Fmа. 59.1 NОБ. 49.3 Nc.none of theseO d. 24.6 NО е. 98.5 N A man pulls a crate of 100 N up a frictionless slope with8= 30° and h = 5 m high as shown. If the crate movesat constant speed, find the work done by the man.а. 250 JO b. - 250 JО с. - 500 JO d. OJe. 500 J

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A large crate with mass m = 12 kg rests on a horizontal loor. The static and kinetic coefficients of friction between the crate and the floor are A = 0.4 and A = 0.3, respectively. A woman pushes downward on the crate at an angle e = 30° below the horizontal with a orce F. What is the magnitude of the force vector F equired to keep the crate moving at constant velocity? Use g = 9.8 m/s?) O a. 59.1 N O b. 49.3 N О с. none of these O d. 24.6 N O e. 98.5 N

A large crate with mass m = 12 kg rests on a horizontal loor. The static and kinetic coefficients of friction between the crate and the floor are A = 0.4 and A = 0.3, respectively. A woman pushes downward on the crate at an angle e = 30° below the horizontal with a orce F. What is the magnitude of the force vector F equired to keep the crate moving at constant velocity? Use g = 9.8 m/s?) O a. 59.1 N O b. 49.3 N О с. none of these O d. 24.6 N O e. 98.5 N

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter6: Applications Of Newton's Laws

Section: Chapter Questions

Problem 40P: A service elevator takes a load of garbage, mass 10.0 kg, from a floor of a skyscraper under...

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