Static Friction Video Lessons

Concept

# Problem: A 5000 kg truck is parked on a 7.0° slope. How big is the friction force on the truck?Express your answer to two significant figures and include the appropriate units.fs =

###### FREE Expert Solution

Newton's second law:

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

The component of weight parallel to the plane, mgsinθ, acts in the opposite direction as the friction force, fs.

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###### Problem Details

A 5000 kg truck is parked on a 7.0° slope. How big is the friction force on the truck?

Express your answer to two significant figures and include the appropriate units.

fs