A 60.0-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.760 and 0.410, respectively. (a) Draw the free-body diagram showing the forces that act on the crate. What horizontal pushing force is required to (b) just start the crate moving and (c) slide the crate across the dock at constant speed? Important: Assume that the pushing force is to the right. For part (a) consider the following labels: mg=gravitational force, Fp=pushing force, Fn=normal force, T=Tension, f=frictional force

A 60.0-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.760 and 0.410, respectively. (a) Draw the free-body diagram showing the forces that act on the crate. What horizontal pushing force is required to (b) just start the crate moving and (c) slide the crate across the dock at constant speed? Important: Assume that the pushing force is to the right. For part (a) consider the following labels: mg=gravitational force, Fp=pushing force, Fn=normal force, T=Tension, f=frictional force

Name: A 60.0-kg crate rests on a level floor at a shipping dock. The coeffic
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Description: A 60.0-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.760 and 0.410, respectively. (a) Draw the free-body diagram showing the forces that act on the crate. What horizontal pushing force is re

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: More Applications Of Newton’s Laws

Section: Chapter Questions

Problem 48P: Why is the following situation impossible? A 1.30-kg toaster is not plugged in. The coefficient of...

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If a single constant force acts on an object that moves on a straight line, the objects velocity is a linear function of time. The equation v = vi + at gives its velocity v as a function of time, where a is its constant acceleration. What if velocity is instead a linear function of position? Assume that as a particular object moves through a resistive medium, its speed decreases as described by the equation v = vi kx, where k is a constant coefficient and x is the position of the object. Find the law describing the total force acting on this object.
Why is the following situation impossible? A 1.30-kg toaster is not plugged in. The coefficient of static friction between the toaster and a horizontal countertop is 0.350. To make the toaster start moving, you carelessly pull on its electric cord. Unfortunately, the cord has become frayed from your previous similar actions and will break if the tension in the cord exceeds 4.00 N. By pulling on the cord at a particular angle, you successfully start the toaster moving without breaking the cord.
A person pushes horizontally with a force of 221 N on a 55.0 kg crate to move it to the right across a level floor. The coefficient of kinetic friction is 0.350. What is the magnitude of (a) the frictional force and (b) the crate's acceleration? The directions of the four forces and the acceleration must be identified. Make a free-body diagram. Please use the blue vector to specify forces and the pink vector for acceleration. Please make sure to label each vectors. The labels should none, mg, fk, a, FN, or Fpushing.
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Two crates connected by a rope lie on a horizontal surface (see figure below). Crate A has mass mA and crate B has mass mB. The coefficient of kinetic friction between each crate and the surface is uk. The crates are pulled to the right at constant velocity by a horizontal force F. Calculate the magnitude of the force F in terms of mA, mB,& µk t F A B
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