lanadelreydolli lanadelreydolli

04-02-2016
Physics

contestada

If you push a chair across the floor at a cibstant velocity how does the force of friction compare with the force you exert?

Respuesta :

04-02-2016

-- "constant velocity"   ===> acceleration is 0 .

-- acceleration=0   ===>   forces are balanced

-- balanced forces   ===> (friction) + (force you exert) = 0

   (friction) = -(force you exert)

They have equal magnitude and opposite direction.

Answer Link

Otras preguntas

Jeff’s father is installing a do-it-yourself security system at his house. He needs to get a device from his workshop that converts electric energy to sound ene

Solve the system of equations given 5x+2y=9 2x-3y=15 A. (3,-3) B. (-3,12) C. (12,-3) D. (-3,3)

The half-life of carbon-14 is 5,730 years. how old is a sample that is 75% daughter isotope and 25% parent isotope?

How does the writer influence the reader

As a result of the revolutionary war women had to

Which angle pairs are supplementary? Check all that apply.

treatment of psychological disorders: A) often makes the problem worse B) can offer significant relief. C) is rarely helpful. D) is often unclear.

Does wi-fi work with all connections

Which industrialist earned a reputation as being especially ruthless towards workers?\ Henry Frick Andrew Mellon Andrew Carnegie John Heinz

What is the name of the process that transports substances across a cell membrane with the aid of a carrier and energy expenditure?