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A book is decelerating as it moves to the right on a horizontal table - Leaving Cert Physics - Question c - 2019
Question c
A book is decelerating as it moves to the right on a horizontal table. Draw a labelled diagram to show the forces acting on the book as it moves on the table.
Worked Solution & Example Answer:A book is decelerating as it moves to the right on a horizontal table - Leaving Cert Physics - Question c - 2019
Step 1
Draw a labelled diagram of forces acting on the book
Answer
To illustrate the forces acting on the book, start by drawing the book moving to the right on a horizontal table.
- Force Upward: Draw an upward arrow to represent the normal force acting on the book from the table. Label this arrow as 'Normal Force (N)'.
- Force Downward: Draw a downward arrow of equal length to represent the gravitational force acting downwards. Label this arrow as 'Weight (W)'.
- Horizontal Forces: Since the book is decelerating as it moves to the right, there must be an unbalanced force acting to the left. Draw a leftward arrow and label it as 'Net Force (F)'. This indicates that there is friction or another opposing force acting on the book, which is causing it to decelerate.