Question

science chapter- force and pressure class 8 .​

Answer 1

Answer:

3.]The law states that the force of attraction or repulsion between two        magnetic poles is directly proportional to the product of the strengths of the poles and inversely proportional to the square of the distance between them.  

4.]Well Pressure is defined as 'Force per unit area'—- Pressure=force/area. So, obviously , Force and Pressureare related , i.e. , Force is directly proportional to Pressure , which means , the more force you apply upon a fixed area , the morepressure you create . I hope this answer helped you.

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Answer 2

Answer:

Q3 like poles repell each other and unlike poles attract each other for more.. if the North and North poles are kept nearer they don't attract and move away and in the same way South -South..where North and South are brought nearer , they attract..

Q4 Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.:445 Gauge pressure (also spelled gage pressure) is the pressure relative to the ambient pressure. Various units are used to express pressure.

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