Subject: Science, asked on 12/3/18

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

Subject: Science, asked on 10/3/18

## find pressure if a force of 50N is acting on an are of 20cmsq

Subject: Science, asked on 9/3/18

## Question:- Perform an activity stating, showing and proving that "Pressure = Force/Area on which it acts".{Please don't provide any web link or certified answer ... I want only experts answer}

Subject: Science, asked on 9/3/18

## Question:- Demonstrate an activity or an experiment to state "Electrostatic force" in two different ways. {Please don't provide any web link or certified answer .. I ned only experts answer}

Subject: Science, asked on 9/3/18

## Question:- ​As you know, pressure is the force per unit area. Liquid pressure at a depth is the weight of the liquid above that point. Then prove and show , with the help of an experiment that : "This weight will be equal all over the same depth regions. "

Subject: Science, asked on 9/3/18

## With the help of an experiment or an activity, show and verify the following: When two unequal forces act on a body in opposite direction, then the effective force is equal in magnitude to "the difference of the two forces" and acts in the greater force direction.  {Please don't provide any web link or certified answer .. I want only experts answer ... If possible, then experts please provide a picture for the demonstration for a better understanding} ​

Subject: Science, asked on 9/3/18

## Verify the following with the help of 2 activities or experiments: - If two forces are in the same direction and they act on an object. So, the net force on the object is sum of the two forces and the direction of this net force is along the direction of the force greater in magnitude. -If the forces are equal then the net force is 0.If one force is greater than the other than whatever is having the two forces exerted on it will move in the direction of the greater force's direction. The total force will equal the greater force - lesser force.

Subject: Science, asked on 8/3/18

## A box weighs 120kg and the base area of the box is 12m^2. Calculate the pressure (but the box is at rest.)

Subject: Science, asked on 7/3/18

## A box is 120 kg and the base area of the box is 12m^2. Calculatr the pressure

Subject: Science, asked on 7/3/18

## What is the unit of loudness

Subject: Science, asked on 6/3/18

## Q. Study the graph carefully and answer the questions that follow : Q. During which time interval is the particle retarding ?  Q. Is the acceleration constant ? If so find its magnitude and direction.  Q. At what time is the particle momentarily at rest ?  Q. Find the displacement of the particle from t = 0 s to t = 6s.

Subject: Science, asked on 6/3/18

## Q. (a) A glass tumbler containing hot water is kept in the freezer compartment of a refrigerator(temp <0$°$ C). Explain the change of temperature of the water in the tumbler with time. (b) Convert 246 K to $°$C Q. Study the following graph and answer the questions that follow. During which time interval is the body slowing down? What is the value of acceleration during the time interval 1 sec to 3 sec? Is the acceleration different during the first 1 sec of its motion? Justify. Find the displacement suffered by the body during its entire motion. Find the distance travelled by the body during its entire motion.

Subject: Science, asked on 6/3/18

## Q. Study the graph carefully and answer the questions that follow : Q. During which time interval is the particle retarding ?  Q. Is the acceleration constant ? If so find its magnitude and direction.  Q. At what time is the particle momentarily at rest ?  Q. Find the displacement of the particle from t = 0 s to t = 6s.

Subject: Science, asked on 6/3/18

## Solve this: 1. Rate of change of position is called________________   2. During uniform motion velocity is _________________ 3. A particle at rest moves with uniform acceleration. It is displaced by 5 m in the first 5 s of its journey. At what time will be its displacement be 25 m ? Study the graph care fully and answer the question that follow: Velocity (m/)s 4. During which time interval is the particle retarding ? 5. Is the acceleration constant ? If so find its magnitude and direction.  6. At what time is the particle momentarily at rest ?   7. Find the displacement of the particle from  t =0 s to t =6s .

Subject: Science, asked on 6/3/18

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