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What is the greatest acceleration a runner can muster if the friction between her shoes and the pavement is 72 percent of her weight?
Wiki User
∙ 13y ago
72% of the gravitational acceleration - assuming a flat surface.
Wiki User
∙ 13y ago
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What is the greatest acceleration a runner can muster if the friction between her shoes and pavement is ninety percent of her weight?
120 mph
What would happen if the coefficient of friction between the tire and the pavement increased greatly?
Nothing. That's exactly what you want. When your coefficient of friction decreases too far, you need new tires.
What force is responsible for the painful difference between sliding on pavement and sliding on grass?
friction: the force that resists relative motion between two bodies in contact.
What force is responsible for the painful difference between sliding on grass and sliding on pavement?
friction: the force that resists relative motion between two bodies in contact.
Is the friction between car tires and pavement greater when the car is at rest or in motion?
Interesting - static friction is greater than moving friction; but if the car is not in a skid, then the part of the tires in contact with the road is not moving ... thus static friction holds in both cases.
What is the greatest acceleration a runner can muster if the friction between her shoes and pavement is ninety percent of her weight?
120 mph
Why does it take longer for cars to stop on pavement covered in ice then pavement that is dry?
WHY!It is because the ice makes the friction between the tires and the pavementgreater.
Why is friction impotant when you walk?
If there were no friction between your soles and the pavement, you would be unable to apply the force needed to walk forwards. Think how difficult it is to walk on ice where the friction is low.
What would happen if the coefficient of friction between the tire and the pavement increased greatly?
Nothing. That's exactly what you want. When your coefficient of friction decreases too far, you need new tires.
What force is responsible for the painful difference between sliding on pavement and sliding on grass?
friction: the force that resists relative motion between two bodies in contact.
What force is responsible for the painful difference between sliding on grass and sliding on pavement?
friction: the force that resists relative motion between two bodies in contact.
Is the friction between car tires and pavement greater when the car is at rest or in motion?
Interesting - static friction is greater than moving friction; but if the car is not in a skid, then the part of the tires in contact with the road is not moving ... thus static friction holds in both cases.
The friction between a book at rest and the desk it is lying on is an example of what?
This is the example of Newton third law and law of inertia.
Name some ways that friction can be helpful and some ways it is harmful?
Friction is helpful in situations like when you are standing on a hillside. Static friction between your shoes and the surface are stopping you from slipping. Friction is not helpful in situations like when you are pulling something heavy. Some of the energy you are putting into pulling is going into heat from kinetic friction and making your job more difficult.
What type of friction has the most friction?
Static friction is the force that is the greatest. This is because it opposes motion the strongest between the various types of friction.
What is the relation between force and acceleration on the basis of graph?
Use Newton's Second Law. Specifically, if you assume that the mass remains constant, then force will be proportional to acceleration. Force divided by mass yields acceleration (without friction, etc.).
What Has the greatest amount of friction between solid surfaces?
Solids that are actually glued, or better yet soldered, together.
