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Friction Necessary Evil Free Doubts and Solutions

CBSE - VIII - Science - Friction

Why is Friction is a necessary evil?  

Asked by biswajitpatel88 15th May 2024, 8:51 PM
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CBSE - VIII - Science - Friction

A block of mass 4 kg is placed on a floor. The coefficient of friction between block and floor is 0.2. If a 6N force is applied on the block, what is the value of acceleration of block? (Take g = 10m/s2 ) please solve

Asked by aryanbalwan 11th January 2023, 6:31 PM
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CBSE - VIII - Science - Friction

Why does a ball moving on the ground eventually come to rest

Asked by nitinkumar94525 20th June 2022, 3:48 PM
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CBSE - VIII - Science - Friction

Write up that friction evil or friend for animals

Asked by minuchahar86 29th January 2022, 5:14 PM
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CBSE - VIII - Science - Friction

What are the four factors on which friction depends ?

Asked by ramandeeppapinder7203 5th May 2020, 1:04 PM
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CBSE - VIII - Science - Friction

Why we fall on a banana peel?  

Asked by ronaldokane007 13th October 2019, 9:14 AM
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CBSE - VIII - Science - Friction

The force needed to start a cart is (somewhat) greater than the force neede to keep it moving with a uniform speed.

Asked by Vjha34666 8th September 2019, 9:46 AM
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CBSE - VIII - Science - Friction

How does friction helps in writing  

Asked by omp36825 18th August 2019, 6:01 PM
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CBSE - VIII - Science - Friction

Why do you rub your hands together on chilled mornings?

Asked by goyal.sanjeev8204 17th June 2019, 10:35 AM
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CBSE - VIII - Science - Friction

Brakes on cars will work best if the friction between the brake shoes and wheels is reduced. True or false 

Asked by gspublicschool 18th March 2019, 4:46 PM
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CBSE - VIII - Science - Friction

Explain that friction is a friend or foe with best examples.Please answer this quickly as this is very urgent.

Asked by manishasain28 23rd November 2018, 5:43 PM
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CBSE - VIII - Science - Friction

Write a story based topic on "Friction as a necessary evil".

Asked by skkashyap 4th October 2017, 10:36 PM
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CBSE - VIII - Science - Friction

Enlist the disadvantages of Friction

Asked by Topperlearning User 28th July 2016, 3:49 PM
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CBSE - VIII - Science - Friction

Our palms become hot when rubbed against each other. Why?

Asked by Topperlearning User 28th July 2016, 3:47 PM
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CBSE - VIII - Science - Friction

What is threading? Why is it done on screws?

Asked by Topperlearning User 28th July 2016, 3:46 PM
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CBSE - VIII - Science - Friction

State with reasons whether the following statement is true or false: Friction is a necessary evil

Asked by Topperlearning User 28th July 2016, 3:45 PM
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CBSE - VIII - Science - Friction

How can we say that friction is an evil?

Asked by Topperlearning User 28th July 2016, 3:43 PM
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CBSE - VIII - Science - Friction

Arrange the following scenarios in the decreasing order of the friction experienced : Ice skating Sea-surfing Swimming Sand walking

Asked by Topperlearning User 28th July 2016, 1:17 PM
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CBSE - VIII - Science - Friction

 Why aeroplanes and ships are designed with special shaped bodies? What is such a shape called?

Asked by Topperlearning User 28th July 2016, 10:48 AM
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CBSE - VIII - Science - Friction

 What makes us write on the black board with a chalk?

Asked by Topperlearning User 28th July 2016, 10:42 AM
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CBSE - VIII - Science - Friction

Why is it difficult to walk on ice than on concrete road?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Science - Friction

How does a matchstick light up? Explain.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Science - Friction

Our palms become hot when rubbed against each other. Why?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Science - Friction

Why does a violinist put rosin on his bow?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Science - Friction

List any 2 advantages of friction.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Science - Friction

Explain why sportsmen use shoes with spikes.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - VIII - Science - Friction

Give one example from everyday life where wheels (or rollers) are used to reduce friction.

Asked by Topperlearning User 30th January 2014, 9:57 AM
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