Physics, asked by nithya7710, 8 days ago

1. Fluids are:

a) Gases
b) liquids
c) gases and liquids both
d) none of these
2.Force of friction depends on:

a) Smoothness of surface
b) roughness of surface
c) inclination of surface

d) all the above.

3. Friction always:

a) Helps the motion
b) opposes the motion
c) both of these
d) none of

these.

4. Birds and fishes have ________ shaped body

5. Smooth surfaces produce _______ friction than rough surfaces.​

Answers

Answered by hurairahkhattak12
1

Answer:

1: C

2: D

3: B

5: less

hope i am not wrong

Answered by Anonymous
16

Answer:

Solution :-

Fluids are :-

a) Gases

b) Liquids

c) Gases and liquids both

d) None of these

➲ Fluids are c) Gases and liquids both.

Force of friction depends on :

a) Smoothness of surface

b) Roughness of surface

c) Inclination of surface

d) All the above

➲ Force of friction depends on b) Roughness of surface.

Friction always :

a) Helps the motion

b) Opposes the motion

c) Both of these

d) None of these

➲ Friction always b) Opposes the motion.

Birds and fishes have streamlined shaped body.

Smooth surface produce less friction than rough surfaces

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