Question

A group of students wants to study the forces acting on a falling object. One of the students drops a tennis ball from rest at a second story balcony. As the tennis ball falls through the air, the air resistance acting on the ball is not zero. The students draw vectors to represent the forces acting on the ball while it is falling and speeding up.Which of the following vector representations best describes the forces acting on the falling ball and the net force on the ball?

Answer 1

the answer is a                    Explanation:

Answer 2

The net force is in the direction of the force of gravity hence the correct answer is option B.

When an object falls freely within the gravitational field of the earth, the body experiences an acceleration known as the acceleration due to gravity which acts downwards. This is due to the force of gravity acting on the object.

The direction of the air resistance is opposite the direction of the force of gravity acting on the object. The net force is in the direction of the force of gravity hence the correct answer is option B.

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