Asked by Jamie
A 2.7-kg box is released on a horizontal surface with an initial speed of 2.9 m/s.
It moves on the surface with a deceleration of 0.27 m/s^2. Calculate the kinetic
friction force on the box.
I couldn't find an example of this anywhere but...is it: {Friction Force} = m*a = (2.7)*(-0.27) = -0.729 Newtons
Why do they give the velocity?
It moves on the surface with a deceleration of 0.27 m/s^2. Calculate the kinetic
friction force on the box.
I couldn't find an example of this anywhere but...is it: {Friction Force} = m*a = (2.7)*(-0.27) = -0.729 Newtons
Why do they give the velocity?
Answers
Answered by
drwls
Yes, the equation to use is just
F = ma.
You don't need the velocity information that was provided.
F = ma.
You don't need the velocity information that was provided.
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