In a pickup game of dorm shuffleboard, students crazed by...

Name: Problem 2, Chapter 6: Principles of Physics
Uploaded: 2022-03-15T00:18:37-08:00
Duration: 4 min 35 s
Channel: Sandeep Kumar Dhania
Description: In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calculus book along the dorm hallway. If the 3.5 kg book is pushed from rest through a distance of 1.20 m by the horizontal 25 N force from the broom and then has a speed of 1.75 m/s, what is the coefficient of kinetic friction between the book and floor?

In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calculus book along the dorm hallway. If the 3.5 kg book is pushed from rest through a distance of 1.20 m by the horizontal 25 N force from the broom and then has a speed of 1.75 m/s, what is the coefficient of kinetic friction between the book and floor?

In a pickup game of dorm shuffleboard, students crazed by final exams use a
broom to propel a calculus book along the
dorm hallway. If the 3.5 kg book is pushed
from rest through a distance of 1.20 m by
the horizontal 25 N force from the broom
and then has a speed of 1.75 m/s, what is
the coefficient of kinetic friction between the book and floor?

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Key Concepts

Work-Energy Principle

This principle states that the net work done on an object is equal to its change in kinetic energy. It is a fundamental concept in mechanics that allows us to relate forces acting over a distance to changes in the motion of an object, especially when friction or other energy-dissipating forces are present.

Kinetic Friction

Kinetic friction is the resistive force that opposes the motion of an object sliding across a surface. It acts in the opposite direction to the movement and is dependent on the nature of the surfaces in contact and their normal force.

Coefficient of Kinetic Friction

The coefficient of kinetic friction is a dimensionless constant that quantifies the relative magnitude of the frictional force compared to the normal force between moving surfaces. It is used to determine the frictional force through the product of this coefficient and the normal force acting on an object.

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