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djverab [1.8K]
3 years ago
9

Provide at least two negative effects of friction, and explain how friction can be reduced.

Social Studies
2 answers:
LuckyWell [14K]3 years ago
6 0
Friction can cause physical wear and tear to materials and moving parts.  In car engines, 70% of the energy is wasted. 

MAVERICK [17]3 years ago
5 0

Answer:

Friction can cause overheating in parts that rub together. It can also cause these parts to wear out. Polish, oil, and nonstick surfaces can decrease friction to make moving parts last longer and prevent overheating.

Explanation:

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3 years ago
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Which critique of laboratory research on memory for emotional events is concerned with generalizability
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Answer:

The missing options are:

A. Potential confounding variables are not always controlled din laboratory studies

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B. Retention tests employed in laboratory studies are usually once merged with factual information rather than emotions

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C. The intensity of emotional responses is more accurately measured after the event in laboratory studies

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D. Memories and emotional experiences as in real life are very different from those generated in laboratory studies.

The correct answer is option D.

Explanation:  

Generalizability measures how useful is what scientists have been studying in a laboratory in comparison with the real-life since the first option is a prototype of reality that can miss valuable variables that can have an impact on the real life. With generalizability, we can see if the results of the investigation and the process that scientists used are useful in real life and can apply to other things or communities. The efficiency of generalizability depends on how well the representation of reality was in the laboratory.

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Research has found that _____ temporarily weakens after an exertion, replenishes with rest, and becomes stronger with exercise.
miv72 [106K]
It has been reported in a research by Roy Baumeister and Julie Exline that self-control temporarily weakens after exertion, replenishes with rest, and becomes stronger with exercise. 

Self-control is an ability to subdue impulses or to regulations one's emotions, thoughts, and actions in order to fulfill specific (longer-term) goals, especially when faced with temptations and impulses. This enables a person to plan, evaluate alternative actions instead of getting carried away by impulses, and prevents him/her from behaving in a way that he/she might regret later on. Willpower is the ability to exert self-control. 
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