A box with mass 11.0 kg moves on a ramp that is inclined at an angle of 55.0° above the horizontal The coefficient of kinetic friction between the box and the ramp surface is -0.300. Part A Calculate the magnitude of the acceleration of the box if you push on the box with a constant force 140.0 N that is parallel to the ramp surface and directed down the ramp, moving the box down the ramp Express your answer with the appropriate units. Part B HA Submit Request Answer Value dj. Calculate the magnitude of the acceleration of the box if you push on the box with a constant force 1400 N that is parallel to the ramp surface and directed up the ramp, moving the box up the ramp Express your answer with the appropriate units. Value Units 4 Units ?

A box with mass 11.0 kg moves on a ramp that is inclined at an angle of 55.0° above the horizontal The coefficient of kinetic friction between the box and the ramp surface is -0.300. Part A Calculate the magnitude of the acceleration of the box if you push on the box with a constant force 140.0 N that is parallel to the ramp surface and directed down the ramp, moving the box down the ramp Express your answer with the appropriate units. Part B HA Submit Request Answer Value dj. Calculate the magnitude of the acceleration of the box if you push on the box with a constant force 1400 N that is parallel to the ramp surface and directed up the ramp, moving the box up the ramp Express your answer with the appropriate units. Value Units 4 Units ?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

A box with mass 11.0 kg moves on a ramp that is
inclined at an angle of 55.0° above the horizontal.
The coefficient of kinetic friction between the box i
and the ramp surface is 0.300.
Part A
Calculate the magnitude of the acceleration of the box if you push on the box with a constant force 140.0 N that is parallel
to the ramp surface and directed down the ramp, moving the box down the ramp
Express your answer with the appropriate units.
aj
Submit
Part B
Value
dj
Request Answer
Calculate the magnitude of the acceleration of the box if you push on the box with a constant force 1400 N that is paralel
to the ramp surface and directed up the ramp, moving the box up the ramp.
Express your answer with the appropriate units.
HÅ
Units
Value
?
Units
?

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