Question

part g
list several examples of applied force, normal force, and friction that you’ve observed in your life.
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no disposal needed. all materials can be reused.

Explanation:

• Applied Force: Pushing a shopping cart (force applied to move it), pulling a door to open it (force to change its position), lifting a book (force against gravity to move it up).
• Normal Force: A book resting on a table (table exerts upward force equal to book’s weight), a person standing on the floor (floor pushes up with force equal to person’s weight), a box on a shelf (shelf exerts upward force on the box).
• Friction: Rubbing hands together (friction between palms produces heat), a car’s tires gripping the road (friction for traction), a pencil eraser sliding on paper (friction to remove graphite).

Answer:

• Applied Force: Pushing a shopping cart, pulling a door, lifting a book.
• Normal Force: A book on a table, a person standing on the floor, a box on a shelf.
• Friction: Rubbing hands, car tires on the road, an eraser on paper.