Question

6. The shape of an aeroplane is
to air.
2.
5. Frictional force, on an object moving in a fluid, depends on its
to reduce, the effects of friction, due
B. State True or False for the following statements.
1. When a body slides over smooth and wet surfaces,
the amount of interlocking of irregularities, of the two
surfaces in contact, increases.
2. If a car moves eastwards, the force of friction acts
southwards.
3.
Friction depends on how hard the two surfaces
press
against each other.​

Answer 1

Answer:

• the shape of aeroplane is made streamlined shape to exertless friction in air
• when two objects are smooth then friction not exerted whereas when two object is rough then friction is exerted in high pressure
• when a car will going to East Den friction occurs in West because friction opposes motion
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