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Technical Issues
Subject: Science
, asked on 8/1/18
How does grooves on a tyre reduce friction
Answer
1
Shruti
Subject: Science
, asked on 24/11/17
give example where we use to decrease friction
Answer
2
Shruti
Subject: Science
, asked on 24/11/17
give example Where we use to increase friction
Answer
2
Monika Singh
Subject: Science
, asked on 12/11/17
what would happen if there is no friction?
Answer
6
Sruti
Subject: Science
, asked on 8/11/17
why are F1 cars designed to be the shape they are ? (streamlined shape)
Answer
1
Armaan Barak
Subject: Science
, asked on 28/10/17
looking through a microscope , what would be the difference between a rough surface and a smooth surface?
Answer
3
Mayank
Subject: Science
, asked on 25/10/17
Why grooves are made in tyres
Answer
7
Monika Singh
Subject: Science
, asked on 18/10/17
what is friction and types of friction ?
Answer
5
Punya Purushottam
Subject: Science
, asked on 15/10/17
Q no 4. A block of mass 2 kg is placed on the floor. The coefficient of static friction between the two surfaces is 0.4. A horizontal force of 2.5 N is applied on the block as shown. The force of friction between the block and the floor is
(A) 7.84 N
(B) 2.50 N
(C) 6.45 N
(D) 13.34 N
Answer
2
Punya Purushottam
Subject: Science
, asked on 14/10/17
Q no 8 give me the explanation why is it so
Q8. Some statements about friction are given as
(I) frictional force can accelerate a body.
(II) Frictional force is proportional to the area of contact between the two surfaces.
(III) KInetic friction is always greater than static friction.
(A) Only I is true. (B) Only (III) is true.
(C) I & II are true. (D) II & (III) are true.
Sol. A
Answer
1
Monika Singh
Subject: Science
, asked on 6/10/17
disadvantages and advantages of friction pls list 4-4 each
Answer
4
Aakriti Ghosh
Subject: Science
, asked on 30/9/17
1) Suggest a way to reduce fluid friction.
2) State the range of major destructive earthquake on the richer scale.
3) What is richer scale?
4) Write any two characteristics of liquid pressure.
5)
Answer
2
Samarth Tripathi
Subject: Science
, asked on 24/9/17
what is the define sliding motion and static motion
Answer
1
Bhavreet Kaur
Subject: Science
, asked on 14/9/17
How does friction help to keep things along a slope
Answer
1
Bhavreet Kaur
Subject: Science
, asked on 14/9/17
How does friction help us to hold things safely in our hands
Answer
1
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What are you looking for?
(A) 7.84 N
(B) 2.50 N
(C) 6.45 N
(D) 13.34 N
Q8. Some statements about friction are given as
(I) frictional force can accelerate a body.
(II) Frictional force is proportional to the area of contact between the two surfaces.
(III) KInetic friction is always greater than static friction.
(A) Only I is true. (B) Only (III) is true.
(C) I & II are true. (D) II & (III) are true.
2) State the range of major destructive earthquake on the richer scale.
3) What is richer scale?
4) Write any two characteristics of liquid pressure.
5)