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Set NL11 - Friction and Mu 1

Problem
Points
0/4
0/7
0/4
0/5
0/1
0/1
0/1
Total Score
0/23
Percentage
0 %
Assignment Overview

Solve problems involving the use of a coefficient of friction value. Most problems are highly scaffolded.

 1. NL11Q1
Points: 0/4

Consider the free-body diagram for an object accelerating across a surface. The object has a mass of 2.53-kg. There is a forward thrust force of 38.1 N. The coefficient of friction between the object and the surface is 0.398. Determine the …

  1. … Fnorm experienced by the object.

    Normal Force

    N

  2. … Ffrict experienced by the object.

    Friction Force

    N

  3. … Fnet experienced by the object.

    Net Force

    N

  4. ... acceleration of the object.

    Acceleration

    m/s/s

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 2. NL11Q2
Points: 0/7

Amanda B. Reckenwyth is exerting a rightward force of 114.0 N in order to drag a 20.8-kg box of books across the floor at a constant speed of 0.39 m/s. Determine the ...

  1. ... force of gravity.

    Fgrav

    N

  2. ... normal force.

    Fnorm

    N

  3. ... applied force.

    Fapp

    N

  4. ... friction force.

    Ffrict

    N

  5. ... net force.

    Fnet

    N

  6. ... acceleration of the box.

    Acceleration

    m/s/s

  7. ... coefficient of friction (mu).

    mu

    (no unit)

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 3. NL11Q3
Points: 0/4

Consider the free-body diagram for a 5.07-kg object accelerating across a surface. The applied force is 50.1 N and the coefficient of friction is 0.275. Determine the … 

  1. ... Fnorm experienced by the object.

    Normal Force

    N

  2. … Ffrict experienced by the object.

    Force of Friction

    N

  3. … Fnet experienced by the object.

    Net Force

    N

  4. … acceleration of the object.

    Acceleration

    m/s/s

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 4. NL11Q4
Points: 0/5

Consider the free-body diagram for a 333.0-kg object slowing to a stop with a leftward acceleration of 3.90 m/s/s. Determine the …

  1. ... force of gravity acting on the object :

    Force of gravity

    N

  2. ... normal force acting on the object:

    Normal Force

    N

  3.  ... net force experienced by the object:

    Net Force

    N

  4.  ... friction force acting on the object:

    Force of Friction

    N

  5. ... coefficient of friction (mu):

    mu

    (no unit)

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 5. NL11Q5
Points: 0/1

While decorating her apartment, Julie pushes a 645.0-N dresser across the floor by applying a 574.0-N horizontal force. The coefficient of friction between the dresser and the floor is 0.643. Determine the acceleration of the dresser.

  1. Acceleration

    m/s/s

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 6. NL11Q6
Points: 0/1

Alejandra is attempting to drag her 38.6-kg Golden Retriever across the wooden floor by applying a horizontal force. What force must she apply to move the dog with a constant speed of 0.55 m/s? The coefficient of friction between the dog and the floor is 0.847.

  1. Applied Force

    N

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 7. NL11Q7
Points: 0/1

The coefficient of friction between the wheels of Dawson's 1985 Ford Coupe and the dry pavement is 0.896. Determine the acceleration which the 1280.0-kg Coupe experiences while skidding to a stop.

  1. Acceleration

    m/s/s

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