Question

Solve the following numericals. Write Formula , steps and Units for all the questions

1. A force of 100 N is applied on an area of 4 m2. Compute pressure being applied on the area.

2. A force of 200 N is applied to an object of area 2 sq. m. Calculate the pressure.
Two boys exert force of 40 N and 60 N in opposite direction on an object. What will be the resultant force ?

3. A box weighing 2 kg exerts a force of 20 N on the ground. The box covers an area of 2 sq. m on the ground. Calculate the pressure. exerted by the box on the ground .

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Answer 1

Answer:

1. 25 pa

2. 100 pa

Explanation:

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Answer 2

Answer:

1) P = F /A

P = 100 / 4 = 25 pascal

2) P = 200 /2 = 100 pascal

Resultant = F1 - F2

= 60 - 40 = 20 N

3) F = 20 / 2 = 10 pascal