
Friction is a ___________ (contact, non-contact) force.
Answer
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Hint :Force is the vector quantity where both its magnitude and the direction are important. Force is just the pull or the push acting upon the object. It takes place between the interactions between the two bodies. It can change the object's size, shape and speed of the object. We will follow both the contact and non-contact force and will decide accordingly.
Complete Step By Step Answer:
Contact Forces: Contact forces may or may not be the natural forces. These forces require the physical touch or contact between the two on the object to work upon the object. Since, in contact forces contact is to be made between the two objects and therefore it does not work from the distance. Contact force includes applied force, the normal force, the tension and the frictional force.
Non -contact forces: Non-contact forces are the natural forces. These forces do not require any physical touch to work on the object. Since, in non- contact forces contact is not required between the two objects and therefore it can work from a distance. Non-contact force includes electro-magnetic force, the gravitational force and the electrostatic force.
Required Answer: Friction is a Contact force.
Note :
Know the properties of different substances or the material which reduces the friction and the resistivity. The resistivity is the property which resists or opposes, here it opposes the motion or speed.
Complete Step By Step Answer:
Contact Forces: Contact forces may or may not be the natural forces. These forces require the physical touch or contact between the two on the object to work upon the object. Since, in contact forces contact is to be made between the two objects and therefore it does not work from the distance. Contact force includes applied force, the normal force, the tension and the frictional force.
Non -contact forces: Non-contact forces are the natural forces. These forces do not require any physical touch to work on the object. Since, in non- contact forces contact is not required between the two objects and therefore it can work from a distance. Non-contact force includes electro-magnetic force, the gravitational force and the electrostatic force.
Required Answer: Friction is a Contact force.
Note :
Know the properties of different substances or the material which reduces the friction and the resistivity. The resistivity is the property which resists or opposes, here it opposes the motion or speed.
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