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It is never needed to cause motion. Motion continues unless the body is acted upon by a net force (Newtons first law). It MAY be needed to counteract a force opposing motin, like rolling resistence and aerodynamic drag. It MAY be needed to cause acceleration- basically anytime the only form of applying a force involevs interacting with a soid medium, like tyres on a road. It is not needed when accelration can be caused by a reaction, such as a rocket enging.
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What does friction do to an objects motion?
slow it down, like you
What type of friction prevents motion?
All types of friction act opposite to the direction of motion but static friction is the friction present before motion occurs.
What types of forces oppose motion?
Mainly friction.
What is the resistance to motion?
resistance to motion is called inertia
What direction does friction act in to an object's direction of motion?
Friction will always act in the direction opposite of the relativistic motion of two objects. If object A is moving to the right on object B, then object A will experience the friction to the left. However, object B will be moving to the left on object A and will therefore experience the friction acting towards the right.
What do forces opposing motion cause?
Friction
What is the effect of friction on a motion?
Friction will cause the item in motion to heat up. It will also wear the surface away.
How does friction cause the motion of an object to change?
Friction slows things down
What is needed to determine whether an object is in motion?
A Reference Point A reference point is needed to determine if an object is in motion.
When will a force cause motion?
A force will cause motion, specifically it causes acceleration, whenever it is unbalanced by an opposing force, such as friction.
Friction is the frictional force needed to start an object at rest into motion.?
static
What cause a coasting vehicle in motion to eventually come to a stop?
FRiction
What friction is the frictional force needed to start an object at rest two motion?
static
Why is friction needed in the brakes?
Newton's First Law of Motion states: "An object in motion, remains in motion, unless acted upon by an outside force". Friction is an additional outside force that stops the motion of a vehicle faster. Without friction, the vehicle would never stop until it crashed into something.
What does friction do to an objects motion?
slow it down, like you
What is the cause of frictionand in what direction does it act with respect to the motion of sliding object?
Friction is caused when two surfaces come into contact with one another. The irregularities on the surfaces rub against one another and friction results. Friction opposes motion. That is to say, friction acts in the direction opposite to motion.
Does friction stop thing from moving?
Friction can stop an object in motion eventually. Friction causes drag on the object's motion energy and slows the object down by transferring the energy from one type to another. When the energy which acted on the object to put the object in motion is fully transferred, the object's motion will stop in the direction the motion and friction are applied. An example of this type of friction is the brake on a car. Friction can, however cause the object to change the direction of motion and simply stop affecting the object afterward. An example of this type of friction is the bumper rail of a pool table.
