The Same Heavy Wooden Block Is Dragged by a Force

question 25

Multiple Choice

The same heavy wooden block is dragged by a force along a rough steel plate, as shown below for two possible situations.The magnitude of the acceleration is the same for the two situations; do not assume that the magnitude of is the same.The magnitude of the frictional force in (ii) , as compared with that in (i) is:

• A)the same
• B)greater
• C)less
• D)less for some angles and greater for others
• E)can be less or greater, depending on the magnitude of the applied force.

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Definitions:

Negative Thinking

A cognitive process wherein an individual consistently perceives or anticipates the worst possible outcomes or focuses on the most negative aspects of a situation.

Learned Helplessness

A condition in which a person suffers from a sense of powerlessness, arising from a traumatic event or persistent failure to succeed, leading to decreased motivation and function.

Cognitive Explanations

Describes how mental processes such as perception, memory, and problem-solving contribute to psychological disorders.

Negative Conclusions

Determinations made from a study or investigation indicating a lack of relationship or significance between variables.