Question

1)In average,the weight of 1 kilogram mass on the earth surface is 9.8N.Give reason.

2)How is 'standard one kilogram' defined in SI units?

Please give correct answer !!!​

Answer 1

Answer:

The Battle of Talikota (23 January 1565) was a watershed battle fought between the Vijayanagara Empire and an alliance of the Deccan sultanates who united in order to defeat Aliya Rama Raya. The battle took place at Talikoti, today a town in northern Karnataka, about 80 kilometres (50 mi) to the southeast from the city of Bijapur.

Battle of Talikota

Part of Muslim conquest in the Indian subcontinent

Date 23 January 1565

Location

Talikota in present day Karnataka

16°28′24″N 76°18′43″E

Result

Decisive victory of Deccan Sultanates alliance

Sacking of Vijayanagara

Decline of the Vijayanagara Empire

Belligerents

Deccan sultanates

"Alam" Flag of the Nizam Shahi dynasty of the Ahmadnagar Sultanate.png Ahmadnagar Sultanate

Bijapur Sultanate

QutbshahiFlag.PNG Golkonda Sultanate

Berar Sultanate

Bidar Sultanate

Vijayanagara Empire

Commanders and leaders

"Alam" Flag of the Nizam Shahi dynasty of the Ahmadnagar Sultanate.png Hussain Nizam Shah I

Ali Adil Shah I

QutbshahiFlag.PNG Ibrahim Quli Qutb Shah Wali

Ali Barid Shah I

Burhan Imad Shah

Aliya Rama Raya‍ Executed

Venkatadri †

Tirumala Deva Raya

Achutappa Nayak

Strength

80,000 infantry (Beydurs)[1]

30,000 cavalry[1]

several dozen artillery cannons[1]

140,000 infantry,

10,000 cavalry and

over 100 war elephants[1]

Battle of Talikota is located in KarnatakaBattle of Talikota

Location within Karnataka

The defeat of the Vijayanagara Empire at Talikota, followed by the subsequent destruction and looting of their capital, Vijayanagara, le

Answer 2

1.Weight is dependent on the gravitational force and differs. In a dynamics word problem, the force of gravity is assumed as 9.8N[down] . For example, if you get a 1kg object and put it on the surface of Earth, it's mass is 1kg, however it's weight is 1kg×9.8N[down] , which is the gravitational force of Earth's gravity.

2.THE kilogram, symbol kg, is the SI unit of mass. It is defined by taking the fixed numerical value of the Planck constant h to be 6.62607015×10−34 when expressed in the unit J⋅s, which is equal to kg⋅m2⋅s−1, where the metre and the second are defined in terms of c and ΔνCs.

Unit of: mass

Unit system: SI base unit

Symbol: kg

Avoirdupois: ≈ 2.205 pounds

Explanation:

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