how can a i find the friction coefficient in a kinetic example.. the data i have is:
t=0.40s
d=0.35m
m=0.13kg
Vi=0 m/s
Vf= 1.1 m/s
a=2.75 m/s^2
F= 0.36 N
angle=25º
the materials are plastic wheels (the object used was a little toy car, and it had plastic wheels) and wood....
the situation was that the toy car was let to fall down the wood inclined plane...
2007-06-10 13:08:29 · 2 answers · asked by monica 2 in Science & Mathematics ➔ Physics
Here are three equations.
All you need is the mass, The acceleration due to gravity(g)
and the angle of inclination (theta).
three equations that should help
Friction = mg*cosine(theta)
Normal Force = mg * sine(theta)
The relationship between the Normal Force and Friction.
Normal Force = (Friction coefficient) * Friction Force
2007-06-10 14:07:44 · answer #1 · answered by ≈ nohglf 7 · 0⤊ 0⤋
static friction > kinetic friction. reason is that when physique is in action some positioned on happens which reduces the touch section interior the case of dry friction. interior the case of moist friction a wedge of liquid varieties after the action which floats the transferring physique thereby decreasing fiction.
2017-01-06 05:08:37 · answer #2 · answered by ? 3 · 0⤊ 0⤋