A 400-Kg Block Rests Between the Floor and a 3

question 652

Multiple Choice

A 4.00-kg block rests between the floor and a 3.00-kg block as shown in the figure. The 3.00-kg block is tied to a wall by a horizontal rope. If the coefficient of static friction is 0.800 between each pair of surfaces in contact,what horizontal force F must be applied to the 4.00-kg block to make it move?

• A) 16.2 N
• B) 54.9 N
• C) 21.1 N
• D) 23.5 N
• E) 78.4 N

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Definitions:

Linear Regression Equation

The linear regression equation is a mathematical formula used to describe the relationship between a dependent variable and one or more independent variables.

Pearson r

A statistic representing the degree of linear correlation between two variables, ranging from -1 to 1.

Years of Education

The total number of years spent in formal education, from the beginning of primary school to the highest level completed.

Linear Regression Equation

The linear regression equation is a mathematical formula used to predict the value of a dependent variable based on one or more independent variables, following a linear relationship.