lucasperry29 lucasperry29

05-11-2020
Physics

contestada

a 2 kg block pulled with a force of 8 n accelorates at 2.5 m/s what is the friction

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LammettHash LammettHash

09-11-2020

If the pulling is done parallel to the ground, we have by Newton's second law

8 N + (-f ) = (2 kg) (2.5 m/s²)

where f is the magnitude of the friction force. Solve for f :

8 N - f = 5 N

f = 3 N

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