A Force of Magnitude 451 N Is Applied Horizontally to 111

question 39

Multiple Choice

A force of magnitude 451 N is applied horizontally to 111 kg box, which is at rest on the floor. The coefficient of static friction between the box and the floor is 0.450. What is the magnitude of the force of friction from the floor on the box?

• A) 490 N
• B) 0.00 N
• C) 108 N
• D) 451 N
• E) 203 N

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Definitions:

Statistic

A numerical characteristic or measure of a sample extracted from a larger population.

Student T Distributed

A probability distribution used in statistical analysis when the sample size is small and the population variance is unknown.

Randomly Selected

A method of selection that ensures each item or person has an equal chance of being chosen, aiming to eliminate bias.

T-Distribution

A type of probability distribution that is symmetric and bell-shaped but with heavier tails, used especially in small sample sizes.