You Push Your 2 Kg Physics Book Along a Tabletop

question 4

Multiple Choice

You push your 2 kg physics book along a tabletop, pushing it with 10 newtons of force. The frictional force on it is 4 newtons. The book's acceleration is

• A) 3 m/s².
• B) 5 m/s².
• C) 2 m/s².
• D) zero.
• E) 0.2 m/s².

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Definitions:

Y-Intercept

The y-intercept is the point where a graph intersects the y-axis, typically represented as the value of y when x equals 0.

Noncollinear Points

A set of three or more points that do not all lie on a single straight line.

Coefficient Matrix

A matrix consisting of the coefficients of the variables in a set of linear equations.

Linear Equations

Equations of the first degree, where variables are raised only to the power of one and graph as straight lines.