*Problem 4: Beth needs to slide a larger wooden crate (100 kg) across a concrete floor. The coefficient of kinetic friction between the wood and the concrete is µk = 0.5. Beth can either apply 500 N horizontally or 500 N at an angle of 10° above the horizontal. a) Find the magnitude of the acceleration for each method. (Answers: 0.1 0.45) b) How many times more acceleration is generated using the angled version?

*Problem 4: Beth needs to slide a larger wooden crate (100 kg) across a concrete floor. The coefficient of kinetic friction between the wood and the concrete is µk = 0.5. Beth can either apply 500 N horizontally or 500 N at an angle of 10° above the horizontal. a) Find the magnitude of the acceleration for each method. (Answers: 0.1 0.45) b) How many times more acceleration is generated using the angled version?

Name: *Problem 4:Beth needs to slide a larger wooden crate (100 kg) across
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Description: *Problem 4:Beth needs to slide a larger wooden crate (100 kg) across a concrete floor. The coefficient of kinetic frictionbetween the wood and the concrete is µk0.5. Beth can either apply 500 N horizontally or 500 N at an angle of10° above the horiz

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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A box is initially sliding up a 32.5 ̊ incline at a speed of 13.0 m/s. The coefficients of friction between the incline and the box are μk = 0.680 and μs = 0.740. a)What is the acceleration of the box while it is sliding up the incline? b)How far will the box travel up the inline before coming to a stop? c)What would the coefficient of kinetic friction have to be for the box to be able to slide down the ramp at a constant speed?
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A 40 N box is resting on a table when a 20 N force is applied to it horizontally. The coefficients of static and kinetic friction are 0.3 and 0.1, respectively. Which of the following best describes the resulting motion of the box? The motion of the box cannot be determined with the given information. The box accelerates in the direction of the applied force. The box remains at rest. The box moves with a constant velocity in the direction of the applied force.
Consider an object on an incline where friction is present. The angle between the incline and the horizontal is θ and the coefficient of kinetic friction is μk. a.) Find an algebraic expression for the acceleration of this object. Treat down the incline as the positive direction. b.) Calculate the acceleration, in meters per second squared, of this object if θ = 31° and μk = 0.34. Treat down the incline as the positive direction.