Subject: Science, asked on 27/3/18

## In a 50N table, identify the object, physical quantity and magnitude.

Subject: Science, asked on 27/3/18

## Question:-Perform an activity or an experiment to show that "Force = mass x Acceleration due to gravity" in liquids. {Kindly don't provide any web link or certified answer ... Please .... I want only experts answer} ​

Subject: Science, asked on 27/3/18

## Question:- When more than one forces act on an object, then to find their effects on the object, why do we some times add and why do we sometimes subtract those forces? ​

Subject: Science, asked on 25/3/18

## Question: Explain with the help of a diagram the working of barometer .  ​{3 marks}  ​{Please don't provide any web link or certified answer ... Please provide only experts answer}

Subject: Science, asked on 25/3/18

## Qno. 69 . Plz explain in detail.. 69. If length of a metallic wire becomes n times, its resistance becomes  (a) n2 times                 (b)  (c)          (d)

Subject: Science, asked on 17/3/18

## If a vaccum is created between two hemispheres joined together, they cannot be seperated easily. What presses the hemispheres together?

Subject: Science, asked on 14/3/18

## why the humans body can be crush if gone below 120m in the water ? why the body of fishes doesn't get crushed even if they go below 120m?

Subject: Science, asked on 13/3/18

## Arjun Gupta sir (Meritnation expert),  Sir, you provided a solution to one of my question before 10 minutes. But, I am unable to understand, that how "sin 30" = 1/2. But, I am able to understand the other things and answer other than ... how sin 30 = 1/2. I also know that N/m2 ​ = Pascal. ​

Subject: Science, asked on 13/3/18

## Question (2)​ from Science:-   A pointed nail was hammered on a wooden plank of  2m2​ ​with force of 10 newton or 10N at an angle of 30 degree on the surface of object. So, what is the pressure applied on the wooden plank?       ​​{Please provide only the experts answer ... and write the  proper, detailed, explained and   understandable  steps for the mathematical solution}

Subject: Science, asked on 13/3/18

## Question (1)​ from Science:- A pointed nail was hammered on a wooden plank of  1m2 with force of 10 newton or 10N at an angle of 45 degree on the surface of object. So, what is the pressure applied on the wooden plank?   ​​{Please provide only the experts answer ... and write the proper steps for the mathematical solution}

Subject: Science, asked on 13/3/18

## Solve this: Q.4. A rocket is fired upwards to launch a satellite. The forces acting on the rocket are a) Friction by air b) gravitational c) force from fuel d) All the above

Subject: Science, asked on 13/3/18

## Rocket is fired upwards to launch a satellite the forces acting on the rocket are:- friction by air or gravitational or force from fuel or all the above?

Subject: Science, asked on 12/3/18

## Question:-Explain acceleration in simple wordings. How does the definition and formula of  "acceleration" helps in defining and knowing "acceleration due to gravity"?

Subject: Science, asked on 12/3/18

## Rishabh Mittal sir(Meritnation Expert), You provided the answer to the below question with a link. But, the answer was not properly understandable and accurate as per my question.  Question-In simple wordings, Explain what do you mean by "Acceleration due to Gravity". Also, mention how are "velocity" and "speed" necessary in knowing (Acceleration {due to gravity}) along with the proper and easily understandable characteristics of "VELOCITY" and its necessity .   {5 marks} {Please answer the entire question in a single thread.  "Also this Please don't provide any web links or certified answer ... I just want the direct and easily understandable answer to the question from the experts only}

Subject: Science, asked on 12/3/18

## Question- In simple wordings, Explain what do you mean by "Acceleration due to Gravity". Also, mention how are "velocity" and "speed" necessary in knowing (Acceleration {due to gravity}) along with the proper and easily understandable characteristics of "VELOCITY" and its necessity .   {5 marks}  {Please answer the entire question in a single thread.  "Also Please don't provide any web links or certified answer ... I just want the direct and easily understandable answer to the question from the experts only}

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