friction a. the force that pulls objects toward each other 5.U b. the type of friction that exists between oil and a door hinge rolling friction 6. sliding friction c. the force that one surface exerts on another when two surfacerub against each other 7.Ufluid friction d. the type of friction that occurs when you rub sandpaper against wood 8. static friction e. the type of friction that Occurs when a wheel turns on a surface 9. weight f. a measure of the force of gravity on an object 10. gravity g. the type of friction that occurs between objects that aren't moving
Friction :- It is the hinderance provided to the motion of any object in the opposite direction of motion.
Rolling friction :- It is the resistance offered to the motion of any object in the opposite direction while the object is rolling
Sliding friction :- It is the resistance offered to the motion of any object in the opposite direction while the object is sliding also known as kinetic friction
Fluid friction :- It is the hinderance provided to the motion of any object in the opposite direction of motion by the fluid.
Static friction :- It is the friction offered when the two relative objects are in rest.
Weight :- It is the multiplication of the mass of object and the gravitational accleration of that planet.
Gravity :- It is the pulling force exerted by any planet to an object.
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