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________ reduces friction in mechanical systems.
Ој
drag force and friction
force.
increases.
Lubricants, streamlining
0.4 * 50 lb
is the upward force that is at a right angle to the sliding surfaces.
equals zero.
Weight is an example of
Ој
drag force and friction
force.
increases.
Lubricants, streamlining
0.4 * 50 lb
is the upward force that is at a right angle to the sliding surfaces.
equals zero.
What symbol represents the coefficient of friction?
Ој
drag force and friction
force.
increases.
Lubricants, streamlining
0.4 * 50 lb
is the upward force that is at a right angle to the sliding surfaces.
equals zero.
If an object is moving at a constant speed, then the sum of the all forces on the object
Ој
drag force and friction
force.
increases.
Lubricants, streamlining
0.4 * 50 lb
is the upward force that is at a right angle to the sliding surfaces.
equals zero.
The normal force (N)
Ој
drag force and friction
force.
increases.
Lubricants, streamlining
0.4 * 50 lb
is the upward force that is at a right angle to the sliding surfaces.
equals zero.
As the coefficient of friction increases, the force required to move an object
Ој
drag force and friction
force.
increases.
Lubricants, streamlining
0.4 * 50 lb
is the upward force that is at a right angle to the sliding surfaces.
equals zero.
How much applied force is needed for a 50 lb. object to slide across a floor that has a coefficient of sliding friction of 0.4.
Ој
drag force and friction
force.
increases.
Lubricants, streamlining
0.4 * 50 lb
is the upward force that is at a right angle to the sliding surfaces.
equals zero.
What are the two types of resistance in a mechanical system?
Ој
drag force and friction
force.
increases.
Lubricants, streamlining
0.4 * 50 lb
is the upward force that is at a right angle to the sliding surfaces.
equals zero.
Check it!