Course CoILents ... " PHTS 2 IWJ DIrectionTOTictioT The direction of the frictional forces is something you need to think about carefully. The best rule of thumb is the following: the direction of the frictional force is such that it tries to keep the two surfaces from slipping. In each of these situations, what would be the direction of the frictional force? In cases of the inclines, consider left to be down and to the left (parallel to the incline) and right to be up and to the right (parallel to the incline). Left - A coffee mug is resting on the top of a car. The car is moving to the right and accelerating to the right. Consider the frictional force of the roof of the car on the coffee mug. Left V A block is being pushed to the right along an incline as shown. Consider the frictional force between the block and the incline. Right A block is placed on an incline as shown and the block doesn't move. Consider the frictional force between the block and the incline. Presume the surface of the incline to be more horizontal that vertical. Left - A coffee mug is sliding to the right across a tabletop Right A book is being pressed against the wall as shown to keep it from falling. The book is stationary. Consider the frictional force between the book and the wall. Submit Answer Incorrect. Tries 5/10 Previous Tries wall
Course CoILents ... " PHTS 2 IWJ DIrectionTOTictioT The direction of the frictional forces is something you need to think about carefully. The best rule of thumb is the following: the direction of the frictional force is such that it tries to keep the two surfaces from slipping. In each of these situations, what would be the direction of the frictional force? In cases of the inclines, consider left to be down and to the left (parallel to the incline) and right to be up and to the right (parallel to the incline). Left - A coffee mug is resting on the top of a car. The car is moving to the right and accelerating to the right. Consider the frictional force of the roof of the car on the coffee mug. Left V A block is being pushed to the right along an incline as shown. Consider the frictional force between the block and the incline. Right A block is placed on an incline as shown and the block doesn't move. Consider the frictional force between the block and the incline. Presume the surface of the incline to be more horizontal that vertical. Left - A coffee mug is sliding to the right across a tabletop Right A book is being pressed against the wall as shown to keep it from falling. The book is stationary. Consider the frictional force between the book and the wall. Submit Answer Incorrect. Tries 5/10 Previous Tries wall
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter8: Rotational Motion
Section8.2: Rotational Dynamics
Problem 27PP
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Transcribed Image Text:Course CoILents ... " PHTS 2 IWJ DIrectionTOTictioT
The direction of the frictional forces is something you need to think about carefully. The best rule of thumb is the following: the direction of the frictional force is such that it tries to keep the two surfaces from slipping. In each of these situations, what would be the direction of the
frictional force? In cases of the inclines, consider left to be down and to the left (parallel to the incline) and right to be up and to the right (parallel to the incline).
Left
- A coffee mug is resting on the top of a car. The car is moving to the right and accelerating to the right. Consider the frictional force of the roof of the car on the coffee mug.
Left
V A block is being pushed to the right along an incline as shown.
Consider the frictional force between the block and the incline.
Right A block is placed on an incline as shown and the block doesn't move.
Consider the frictional force between the block and the incline. Presume the surface of the incline to be more horizontal that vertical.
Left
- A coffee mug is sliding to the right across a tabletop
Right A book is being pressed against the wall as shown to keep it from falling. The book is stationary.
Consider the frictional force between the book and the wall.
Submit Answer
Incorrect. Tries 5/10 Previous Tries
wall
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