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Newton's second law, which states that the force F acting on a body is equal to the mass m of the body multiplied by the acceleration a of its centre of mass, F = ma, is the basic equation of motion in classical mechanics.

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Derive the mathematical relation of Newton's second law of motion.

Posted by Harish Shaikh 1 year, 11 months ago

CBSE > Class 09 > Science

3 answers

Radhna Bhakti 1 year, 10 months ago

Prove- F=ma Consider an object changing its velocity from u to v in time 't' We know... Force is directly proportional to the rate of change of momentum. Accordingly; F∝ma Now we To remove ∝ this sign...we will; F= kma( k=1) Hence, F=ma Proved

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Chinmayee A J Chinu 1 year, 11 months ago

F=ma

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Aditya Chauhan 1 year, 11 months ago

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Solution colloid and suspension

Posted by Abhilasha Singh 1 year, 11 months ago

CBSE > Class 09 > Science

1 answers

Chinmayee A J Chinu 1 year, 11 months ago

Solution is a homogeneous mixture.. Suspension and colloid are heterogeneous mixture...

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Chemical Formula for Sodium Phosphate

Posted by Pran Pratim Konch 1 year, 11 months ago

CBSE > Class 09 > Science

3 answers

Smriti Gupta 1 year, 10 months ago

Na3(PO4)

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Krish Tak 1 year, 11 months ago

Na3PO4

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Shreya Pandey 1 year, 11 months ago

Na³p

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Molecular mass of oxygen 16 it is true or not

Posted by Nirmal Agarwal 1 year, 11 months ago

CBSE > Class 09 > Science

4 answers

Shivam Kumar Abam Kumar 1 year, 11 months ago

Yes

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Ayush Utkarsh 1 year, 11 months ago

True

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Abhiram Bhamidipati 1 year, 11 months ago

It is true

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Shrinivas ʍɨֆֆɨňğʍɛ 1 year, 11 months ago

Yes

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Write down atom, rules of symbol elements and Latin name some elements

Posted by Riya, Rima Kumari 1 year, 11 months ago

CBSE > Class 09 > Science

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Atoms of moleclue

Posted by Vaishnavi Soni Vs 1 year, 11 months ago

CBSE > Class 09 > Science

0 answers

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Trace out the movement and fate of egg cell in female body

Posted by Ishant Chauhan 1 year, 11 months ago

CBSE > Class 09 > Science

0 answers

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High

Posted by B. Wamsi 1 year, 11 months ago

CBSE > Class 09 > Science

2 answers

Priyansu Kumar Sahoo 1 year, 9 months ago

Low

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Pranav Bagrecha 1 year, 11 months ago

Your que plz

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Why do camels have large feet?

Posted by Gaurav Tanwar 1 year, 11 months ago

CBSE > Class 09 > Science

4 answers

Nikhil Bhardwaj 1 year, 10 months ago

camel have broad feet so they can walk on sand more easily. Their huge , flat feet help them to walk on sand without sinking into it. Q.

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Abhiram Bhamidipati 1 year, 11 months ago

As camel's feet have larger surface area, their body mass gets equally distributes on the surface of the sand making it easier to walk. Ignore mistakes ☺️

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Pranav Bagrecha 1 year, 11 months ago

It helps them to walk in sandy deserts. There feets do not completely sink in sand due to their long legs.

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B. Wamsi 1 year, 11 months ago

Cold

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What are the factors responsible for storage losses in agricultural produces?how they can be control prevented

Posted by Subham Maity 1 year, 11 months ago

CBSE > Class 09 > Science

0 answers

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Case study type question While studying the atomic structure of atoms, a scientist reported the composition of four different elements W, X, Y, Z as given in the below table

Posted by Bharti Bhanushalee 1 year, 11 months ago

CBSE > Class 09 > Science

1 answers

B. Wamsi 1 year, 11 months ago

High

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Hydrogen and oxygen combine in the ratio of 1:8 by mass of oxygen gas would be required to react completely with 3g of hydrogen gas?

Posted by Harsh Goyal 1 year, 11 months ago

CBSE > Class 09 > Science

3 answers

Ujjawal Prasad 1 year, 11 months ago

24 gram oxygen

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Hgg Fffhh 1 year, 11 months ago

24 gram of oxygen

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Kamal Kumar 1 year, 11 months ago

24g of Oxygen

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अल्कोहल का क्वथनांक 78°C होता है, केल्विन इकाई में याहा टैप मान कितना है

Posted by Shaif Ali Hasan 1 year, 11 months ago

CBSE > Class 09 > Science

0 answers

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Find the number of electrons and protons in 2He

Posted by Kamal Kumar 1 year, 11 months ago

CBSE > Class 09 > Science

1 answers

Komal Kumari 1 year, 11 months ago

Hii

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G value

Posted by Priya Rathor 1 year, 11 months ago

CBSE > Class 09 > Science

5 answers

Tushar Kumar 1 year, 10 months ago

The value of G =6.673×10^-11 N m^2 kg^-2

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Arpit Kumar 1 year, 11 months ago

The value of G is 6.673×10^-¹¹ Nm²/Kg²

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Kamal Kumar 1 year, 11 months ago

6•67×10^-11 Nm^2/Kg^2

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Kamal Kumar 1 year, 11 months ago

6•67×10^-11

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Kanish Goyal 1 year, 11 months ago

The value of G is (6.6743 ± 0.00015) × 10−11 m3 kg−1 s−2

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Calculate the force of gravitation between two objects of masses 50 kg and 120 kg respectively kept at distance of 10 m from one another (gravitation constant, G=6.7×10-¹¹)

Posted by Himani Chaudhary 1 year, 11 months ago

CBSE > Class 09 > Science

3 answers

Monalisha Barick 1 year, 11 months ago

4.02×10^-9

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Abhiram Bhamidipati 1 year, 11 months ago

3.96 x 10 to the power of -9

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Avinash Verma 1 year, 11 months ago

Using formula capital G

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Atom and molecules insert questions

Posted by Jina Nath 1 year, 11 months ago

CBSE > Class 09 > Science

2 answers

Jina Nath 1 year, 6 months ago

Books ka insert questions

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Shreya Pandey 1 year, 11 months ago

Means??

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Project on cell organelles and it's functions

Posted by Bhanushree Mv Asha Bhanu 1 year, 11 months ago

CBSE > Class 09 > Science

1 answers

Alkma Shaikh 1 year, 11 months ago

Midifie, package, product

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ATOMS AND MOCLUCULES NUMRECIAL

Posted by Princy Mishra 1 year, 11 months ago

CBSE > Class 09 > Science

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Who suggested that if we go on the dividing matter a stage will come when particles obtained can't be divided further? Why ?

Posted by Srimathi Srinivasan 1 year, 11 months ago

CBSE > Class 09 > Science

0 answers

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Melting point boiling point

Posted by Ram Baran 1 year, 11 months ago

CBSE > Class 09 > Science

2 answers

King Khan 1 year, 11 months ago

The minimum temperature at which a solid melts to become a liquid at the atmospheric pressure is called its melting point the melting point of water is 0 degree Celsius or 273 degree Kelvin The temperature at which a liquid start boiling at the atmospheric pressure is known as its boiling point the boiling point is water is 100 degree Celsius or 373 degree Kelvin

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Shivanshu Gupta 1 year, 11 months ago

The minimum temperature at which a solid melts to become a liquid at the atmospheric pressure is called its melting point. The temperature at which a liquid starts boiling at the atmospheric pressure is known as its boiling point.

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Example of force cause a motion in stationary object

Posted by Srija Dass 1 year, 11 months ago

CBSE > Class 09 > Science

2 answers

Aditya Goel 1 year, 11 months ago

Unbalanced force

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Ayush Kumar Chouksey 1 year, 11 months ago

Pushing or pulling of block

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The brakes applied to a train moving at 90km/h produces a retardation of 5m/s. What distance will it cover before coming to stop

Posted by Hema Hemalakshmi 1 year, 11 months ago

CBSE > Class 09 > Science

2 answers

Srimathi Srinivasan 1 year, 11 months ago

Thank you

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Srimathi Srinivasan 1 year, 11 months ago

Initial speed =u =90 km/h=90(5/18) M/s= 25 m/s Final speed =v =0 Acceleration = a=-5 m/s Sq. Let the distance covered =s Since= v2= u2 +2as 0= 25×25 + 2X (-5) Xs 0= 625-10s 10 S = 625 S= 62.5

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Explain how three states of matter arise due to the variation in the characteristics of the particles?

Posted by Lipsita Priyadarsini 1 year, 11 months ago

CBSE > Class 09 > Science

1 answers

Manas Pandey 1 year, 11 months ago

Class9 chapters 4

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Why do we see water droplets on the outer surface of a glass containing ice cold water ?

Posted by Arpan Chauhan 1 year, 11 months ago

CBSE > Class 09 > Science

2 answers

Lipsita Priyadarsini 1 year, 11 months ago

The water vapour present in the air on coming in contact with cold water, loses energy and get converted to liquid states , which we see as water droplets

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Vineet Yadav 1 year, 11 months ago

Because water vapour is in the air which is around the glass containing ice

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