During Each Second of Free Fall,the Speed of an Object

question 24

Multiple Choice

During each second of free fall,the speed of an object

• A)increases by the same amount.
• B)changes by increasing amounts each second.
• C)remains constant.
• D)doubles each second.

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Definitions:

Potential Energy

Potential energy refers to the energy possessed by a body due to its position or state, such as the energy stored in an object held at a height above ground.

Air Brake System

A type of brake system used in large vehicles, utilizing compressed air to create the braking force.

Mechanical Force

The application of power to move or stop objects through physical contact, often quantified in terms of magnitude and direction.

FMVSS-121

The regulation governing air brake performance for heavy-duty vehicles in the United States, ensuring proper function and safety standards are met.