Question

What action is due to applied forces?

A. an apple falling from a tree
B. a moving car stopping when brakes applied
C. the rosin of a boat
D. pushing a chair against a wall

Answer 1

Applied forces can cause a moving car to stop when brakes are applied and can keep a chair in place when pushed against a wall.

Step-by-step explanation:

The action due to applied forces can be observed in multiple scenarios:

1. A moving car stopping when brakes applied: When the brakes are applied, friction is generated between the brake pads and the car's wheels. This frictional force opposes the motion of the car, causing it to stop.
2. Pushing a chair against a wall: When a person pushes a chair against a wall, the force they apply creates a normal force between the chair and the wall, which in turn creates a frictional force. This frictional force opposes the motion of the chair, keeping it in place.