Physics 163

Unit 2: Newton's Laws of Motion

Problem Set B

 

Problem #15:

Albert is attempting to drag his 68.6 kg Golden Retriever across the yard by applying a horizontal force. What force must be applied (in Newtons) to move the dog with a constant speed of 0.95 m/s? The coefficient of friction between the dog and the ground is 0.8.

 

 

 

 

 

 

 

General information about Set B concepts and principles can be found on the Set B Overview page.

The task of constructing a free-body diagram for a physical situation is discussed in detail at The Physics Classroom.

The task of determining an individual force value if given mass and acceleration information is discussed in detail at The Physics Classroom.

  

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