An Object Moving in a Circle at a Constant Speed

question 26

Multiple Choice

An object moving in a circle at a constant speed is

• A) accelerating in the direction of motion.
• B) accelerating toward the center of the circle.
• C) accelerating away from the center of the circle.
• D) not accelerating because its speed is constant.

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Definitions:

Processor Scan

The cyclical process by which a programmable logic controller reads inputs, executes logic, and updates outputs.

RET Instruction

A command in programming used to return from a subroutine or function, often restoring the state at the point of the call.

JSR Instruction

The JSR Instruction stands for "Jump to Subroutine," a command in programming that directs the process flow to a different section of code or subroutine and then returns.

MCR Zone

In Programmable Logic Controller (PLC) programming, an MCR Zone (Master Control Reset) is a designated area that controls the execution of sections of ladder logic code, typically enabling or disabling it.