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Well you can always work out the normal force... if the object is on a horizontal surface... The normal force is equal to the mass of the object × gravity (9.81). If the object is on an incline, you have to get the component of weight which is equivalent to the Normal, in most cases it is Normal = mass × gravity × cos(theta), theta being the angle of inclination.
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What are the two factors that affect the friction force between two surfaces?
The strength of the force of friction depends on the types of surfaces involved and on how hard the surfaces push together.
What are the factors that determine the friction force between two sliding objects?
The normal force between the two objects and the coefficient of friction. Force of friction = normal force x coefficient of friction.
How are friction and mass of an object related?
force of friction= coefficient of friction x force of normal force of normal is mass x whatever force that is acting on it (usually gravity)
What can change the force of friction?
Changes in the normal force and coefficient of friction you are welcome!!!
How do you find the minimum coefficient of static friction for a mass on an incline of 32 degrees?
The equation for friction is F=uN. F (friction), u (coefficient of friction), and N (normal). So you first need to solve for the normal by using Newton's second law. Also solve for the x component of the gravity force. Since it is static friction, you know it should be at rest, so that x component force should be the same as the force of friction. Knowing that and the normal, plug it into the equation and solve for u.
How is force and friction related?
The Force of friction is equal to the coefficient of friction times the normal force. Since normal force is equal to mass times the acceleration of gravity (9.8 m/s2), the force of friction is directly proportional to the mass.
Which force slows down a ball when it moves?
The force of friction, which is the normal force (weight) multiplied by the coefficient of friction (how rough the carpet is).
What relationship exists between the static frictional force and the normal force on an object?
Normal Force is the Gradient of the Gravitational Scalar Energy,Normal Force = - Del GmM/r.Gravitational Force is GmM/r^2 and is a Scalar force. Normal Force is RGmM/r^3 where R is the radial vector.
How does the coefficient of friction depend upon the normal force between the surfaces in contact?
-- The friction force changes, and is directly proportional to the normal force. -- The coefficient of friction doesn't change. It is the proportionality constant in the first statement.
What does the slope of the static friction vs normal force represent?
the slope of static friction & normal force represents "coefficient of friction' which is constant for a particular surface
What f is used to measure force?
Friction
How can you make the friction force arrow longer?
Increase the normal force, or push down on it more (add more weight). friction = μ normal force μ is the coefficient of friction which is different for different surfaces
