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Revision notes on Freefall for the Cambridge (CIE) IGCSE Physics syllabus, written by the Physics experts at Save My Exams.
In this long article, we are going to practice some problems about a freely falling object in the absence of air resistance. All these questions are suitable for high school or college students, or even the AP Physics 1 exam.
Learning Objectives. Use the kinematic equations with the variables y and g to analyze free-fall motion. Describe how the values of the position, velocity, and acceleration change during a free fall. Solve for the position, velocity, and acceleration as functions of time when an object is in a free fall.
These four principles and the four kinematic equations can be combined to solve problems involving the motion of free falling objects. The two examples below illustrate application of free fall principles to kinematic problem-solving. In each example, the problem solving strategy that was introduced earlier in this lesson will be utilized.
This question is designed to see if you've been paying attention. The acceleration of a freely falling body is 9.8 m/s 2 down near the surface of the Earth. This part requires computation.
Lois Lane falls from the heliport atop the Daily Planet building. Superman catches her and saves the day. The fall. How long was Lois Lane in apparent free fall? What speed would she have when Superman caught her? How far would she have fallen in this time? Describe the physical realism of this part of the scene. The catch
Free Fall. Kinematics of Class 11. Motion that occurs solely under the influence of gravity is called free fall. In the absence of air resistance all falling bodies have the same acceleration due to gravity, regardless of their sizes or shapes.
