How does friction affect the net force?
Isabella AlvarezIndeed, without a doubt. Frictional force is a force after all, and it adds up like any other force and abides by all the fundamental laws governing all other forces.
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Charles AeschlimanFriction opposes the motion of objects, reducing their velocity. Therefore, friction decreases the net force acting on an object by exerting an equal and opposite force in the direction opposite to the motion or potential motion of the object.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- An object, previously at rest, slides #4 m# down a ramp, with an incline of #pi/4 #, and then slides horizontally on the floor for another #12 m#. If the ramp and floor are made of the same material, what is the material's kinetic friction coefficient?
- A block weighing #4 kg# is on a plane with an incline of #(2pi)/3# and friction coefficient of #4/5#. How much force, if any, is necessary to keep the block from sliding down?
- An object with a mass of # 12 kg# is lying still on a surface and is compressing a horizontal spring by #3/2 m#. If the spring's constant is # 2 (kg)/s^2#, what is the minimum value of the surface's coefficient of static friction?
- A truck pulls boxes up an incline plane. The truck can exert a maximum force of #2,800 N#. If the plane's incline is #(3 pi )/8 # and the coefficient of friction is #9/7 #, what is the maximum mass that can be pulled up at one time?
- A box with an initial speed of #7 m/s# is moving up a ramp. The ramp has a kinetic friction coefficient of #4/3 # and an incline of #( pi )/6 #. How far along the ramp will the box go?
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