10 sentences of friction
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1) frictional force sepends on two main factors:
a) nature surface in contact
b) mass of the object
2) a] rolling friction: The frictional force offerd when rolling an object is called rolling friction.
b] sliding friction: The frictional force offerd when sliding an object is called sliding friction.
3) Depending on our requirements, we may need to refuce or increase the frictionbetween surfaces.
4) The force of friction due to air and water is called fluid friction.
5) Methods of increasing friction:
a] one is by making the surfaces rough.
b] by increasing the mass of the objectvthat is moving.
6) methods of reducing friction:
a] the roughness of the two surfaces in contact.
b] the amount of time the two surfaces rub against each other.
7) There must be a second horizontal force acting on the couch, one that opposes your force and is equal in size. This force is static friction force
8) When you moved your book across the desk, the book experienced a type of friction that acts on moving objects. This force is known as kinetic friction force.
9) Diamond-tipped milling wheels are used to groove airport runways and station platforms to improve their friction when wet, thus preventing slipping.
10) Friction gradually caused the sliding box to slow down and stop.
" hope it was helpful for u "
a) nature surface in contact
b) mass of the object
2) a] rolling friction: The frictional force offerd when rolling an object is called rolling friction.
b] sliding friction: The frictional force offerd when sliding an object is called sliding friction.
3) Depending on our requirements, we may need to refuce or increase the frictionbetween surfaces.
4) The force of friction due to air and water is called fluid friction.
5) Methods of increasing friction:
a] one is by making the surfaces rough.
b] by increasing the mass of the objectvthat is moving.
6) methods of reducing friction:
a] the roughness of the two surfaces in contact.
b] the amount of time the two surfaces rub against each other.
7) There must be a second horizontal force acting on the couch, one that opposes your force and is equal in size. This force is static friction force
8) When you moved your book across the desk, the book experienced a type of friction that acts on moving objects. This force is known as kinetic friction force.
9) Diamond-tipped milling wheels are used to groove airport runways and station platforms to improve their friction when wet, thus preventing slipping.
10) Friction gradually caused the sliding box to slow down and stop.
" hope it was helpful for u "
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