Inclined Planes with Friction Video Lessons

Concept

# Problem: A packing crate slides down an inclined ramp at constant velocity. Thus we can deduce thatA) a frictional force is acting on itb) a net downward force is acting on itc) A net upward force is acting on itd) it is not acted on by appreciable normal forcee) it is not acted on by appreciable gravitational force

###### FREE Expert Solution

In this problem, we are required to relate the forces and motion.

Newton's second law:

$\overline{){\mathbf{\Sigma }}{\mathbf{F}}{\mathbf{=}}{\mathbf{m}}{\mathbf{a}}}$

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###### Problem Details

A packing crate slides down an inclined ramp at constant velocity. Thus we can deduce that
A) a frictional force is acting on it
b) a net downward force is acting on it
c) A net upward force is acting on it
d) it is not acted on by appreciable normal force
e) it is not acted on by appreciable gravitational force