1
Q
How is the local gravity on earth defined?
A
g = 9.82m/s^2
2
Q
How is weight defined?
A
W = mass * g
3
Q
What is the Normal force?
A
Its a force that counter acts the force a body makes on a surface.
4
Q
Where is the Tension force destributed in a cord or rope?
A
The Tension force is always pointed along the cord or rope.
5
Q
is the Friction force proportional to the Normal force?
A
yes.
6
Q
is the friction force dependant to the apparent contact area
A
no, the friction force is independant to the apparent contact area
7
Q
kinetic friction force is independant on what? speed or acceleration?
A
the speed
Physics FT:500
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