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CSET Physical Education (129, 130, 131) Practice Tests & Test Prep by Exam Edge - Free Test


Our free CSET Physical Education (129, 130, 131) Practice Test was created by experienced educators who designed them to align with the official California Teacher Certification content guidelines. They were built to accurately mirror the real exam's structure, coverage of topics, difficulty, and types of questions.

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CSET Physical Education - Free Test Sample Questions

Which of these is defined as a loading mode in which collinear forces acting in opposite directions tend to pull an object apart?

Correct Answer:
tension.


the correct answer is tension. tension refers to a mechanical loading condition where forces are applied in such a way that they stretch an object, attempting to elongate it. the forces are typically applied at either end of the object and pull outward along the same line (collinear), each in opposite directions. this type of loading tends to pull the object apart, and it is a common stress encountered in structures and materials, particularly in ropes, cables, and structural beams under load.

to contrast with the other options provided: - density is a measure of mass per unit volume (e.g., grams per cubic centimeter) and is a property of a material rather than a type of loading mode. - distraction, in a mechanical context, might refer to a type of displacement or movement, but it is not a standard term for describing a loading mode. - anisotropic refers to materials whose properties vary depending on the direction of the load. it describes the nature of the material, not how the material is loaded.

therefore, when discussing loading modes where collinear forces act in opposite directions to pull an object apart, the term to use is tension. this is a fundamental concept in the field of mechanics of materials, critical for designing and analyzing the structural integrity and performance of various engineering systems.

Which of the following does EMG stand for?

Correct Answer:
electromyography


the question asks which term emg stands for. emg is an acronym commonly used in medical and physiological contexts, referring to **electromyography**. electromyography is a diagnostic procedure that assesses the health of muscles and the nerve cells that control them. the technique is particularly useful for detecting neuromuscular abnormalities and is used in various medical disciplines, including neurology and physical therapy.

to understand why electromyography is the correct answer, let's delve deeper into what it involves. electromyography measures the electrical impulses produced by the muscles. during the procedure, a device called an electromyograph inserts very fine needles into the muscles being tested. these needles pick up electrical signals that occur in muscle tissue when the muscles contract and relax. these signals are then displayed on a monitor, providing a visual representation of muscular activity. the data can help diagnose conditions like muscular dystrophy, motor neuron disease, or peripheral neuropathies.

now, examining the other options provided in the question: - **electromagnetic**: this term relates to the study of electromagnetic fields, which involves entirely different principles from those used in electromyography. electromagnetism focuses on the interaction between electric fields and magnetic fields, not on muscle activity. - **electric meter**: this is a device used to measure the quantity of electrical energy used by a residence, business, or an electrically powered device. it is unrelated to the study or monitoring of physiological processes. - **electrodes and meters**: while this choice might superficially appear relevant due to the mention of electrodes (which are indeed used in emg tests), the term as a whole does not represent a recognized medical or scientific procedure or device akin to electromyography.

in summary, the only accurate match for emg among the provided options is electromyography. it directly pertains to the measurement and study of muscle activity through electrical signals, which is what emg is known for in medical and research settings.