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Physics Free Fall Concepts

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Questions and Answers

What is the value of gravitational acceleration used to describe free fall?

10 m/s² (correct)

11.50 m/s²

9.81 m/s² (correct)

9.00 m/s²

Free fall occurs in the presence of air resistance.

False

What term is used to describe the motion under the action of gravitational force?

free fall

In free fall, all objects experience a constant acceleration due to gravity, which is approximately _____ m/s².

9.81 Signup and view all the answers

Match the following scenarios with the correct descriptions of free fall:

Object thrown up = Will eventually fall back down due to gravity Two objects of the same mass in air = Will not necessarily hit the ground at the same time Free fall in a vacuum = All objects fall at the same rate regardless of mass Air resistance present = Affects the speed and time of falling objects Signup and view all the answers

Which of the following statements about free fall is true?

Free fall can occur in a vacuum. Signup and view all the answers

In free fall, two objects of the same mass thrown from the same height will always hit the ground at the same time regardless of air resistance.

False Signup and view all the answers

What is the primary force acting on an object in free fall?

gravity Signup and view all the answers

In free fall, the acceleration due to gravity is approximately _____ m/s².

9.81 Signup and view all the answers

Match the following terms with their descriptions related to free fall:

Free fall = Motion under the influence of gravity Air resistance = Opposes the motion of falling objects in air Gravitational acceleration = Constant acceleration towards the Earth Vacuum = A space without air Signup and view all the answers