# Frictional Force in Crate Motion: Magnitude and Direction

Chapter 4, Problem 43TAE

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QUESTION:

If you exert a horizontal force of 200 N to slide a crate across a factory floor at constant velocity, how much friction is exerted by the floor on the crate? Is the force of friction equal and oppositely directed to your 200-N push? If the force of friction isn’t the reaction force to your push, what is?

##### Frictional Force in Crate Motion: Magnitude and Direction

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Explore the fascinating world of friction in motion! In this video, we delve into the concept of frictional forces as we examine a crate being pushed across a factory floor. We'll calculate the magnitude and direction of the frictional force and uncover its role in maintaining constant velocity. Discover the science behind everyday motion.

QUESTION:

If you exert a horizontal force of 200 N to slide a crate across a factory floor at constant velocity, how much friction is exerted by the floor on the crate? Is the force of friction equal and oppositely directed to your 200-N push? If the force of friction isn’t the reaction force to your push, what is?

Step 1 of 2

Imagine you're exerting a 200 N force to push a crate along a factory floor, and the crate maintains a steady pace. To determine the friction between the crate and the floor and whether this friction is a response to your force, consider this: If the crate has a steady velocity, it implies there's no net force on it, due to Newton's first law.