Parallel to the surface of the slope and opposite to the movement of an object on the slope.
Parallel to the surface of the slope and up-slope, in the case of an object resting in place on the slope.
Friction force works against the motion of the object. In other words friction force has the opponent direction of the velocity of the object.
The direction of the force of friction is opposite of the direction of the motion.
A force that resists motion of one surface across another surface is called FRICTION(or FRICTIONAL FORCE)
Friction acts in the opposite direction of the object's motion
Friction always acts opposite to the direction of motion.
Friction is a force that is created when an object or surface moves over another object or surface making the object to resist the direction of motion ( accelerate in the opposite direction).
friction is a contact force
Friction force works against the motion of the object. In other words friction force has the opponent direction of the velocity of the object.
The "force" of friction is always exactly opposite the direction of motion.
This question is ambiguous. It depends on what force you are comparing the friction force with. Friction, itself, is a force, which will be directed in a direction OPPOSITE the sliding or attempted sliding of two surfaces.
The direction of the force of friction is opposite of the direction of the motion.
A force that resists motion of one surface across another surface is called FRICTION(or FRICTIONAL FORCE)
Friction acts in the opposite direction of the object's motion
Friction is a very helpful thing and with out it you couldn't move, speed up, slow down, change direction, bend, or twist. Without friction nothing would ever happen. Friction can oppose motion or it can make it difficult for an object to move across a surface. Friction both helps an hinders every thing we do.the object would not move without frictionThe friction acts in the opposite direction to that of direction of motion.So friction slows the object and if no external force is applied the object will come to stop.Friction is a force that opposes the direction of motion between two materials. It is parallel to the surface your object is touching. Friction depends on the coefficient of friction and the normal force (force exerted perpendicular to the surface your object is on; opposes gravity on a flat surface). There are two kinds of friction: static and kinetic. Static friction must be overcome in order to move an object. Once the object is in motion the friction acting on it is called kinetic. Static friction has a threshold of force that is needed to get the object moving but once the object is in motion it can be moved at a constant velocity with less force required.
Surface friction ALWAYS point parallel to the surface and opposite motion. There must be a normal force for there to be friction
When an object is at rest on a particular surface, the frictional force keeping it from sliding in any given direction is known as static friction; the magnitude of this force is always less than or equal to the product of those surfaces' static friction coefficient and the component of the gravitational force (weight) of the object perpendicular to the plane of the surface, the latter of which is equal to the normal force that is exerted by the intermolecular bonds in the surface material, upward and perpendicular to the plane of the surface itself. (In other words, Fs ≤ µsFn, where Fs=force of static friction, µs=static friction coefficient, Fn=normal force of surface upon object.)
Friction is a very helpful thing and with out it you couldn't move, speed up, slow down, change direction, bend, or twist. Without friction nothing would ever happen. Friction can oppose motion or it can make it difficult for an object to move across a surface. Friction both helps an hinders every thing we do.the object would not move without frictionThe friction acts in the opposite direction to that of direction of motion.So friction slows the object and if no external force is applied the object will come to stop.Friction is a force that opposes the direction of motion between two materials. It is parallel to the surface your object is touching. Friction depends on the coefficient of friction and the normal force (force exerted perpendicular to the surface your object is on; opposes gravity on a flat surface). There are two kinds of friction: static and kinetic. Static friction must be overcome in order to move an object. Once the object is in motion the friction acting on it is called kinetic. Static friction has a threshold of force that is needed to get the object moving but once the object is in motion it can be moved at a constant velocity with less force required.