Question

answer this question please ☝️☝️☝️☝️☝️​

Answer 1

Answer:

Explanation:

5)force=10n

radius of nail=10mm

pressure= force/area

area =10*10 =100

pressure=10/100=0.1pascal

6)mass=100kg

area=10

force=100*9.8=980

pressure=980/10

=98 pascal

Answer 2

Answer:

10⁵/π Pas and 10⁵g Pas or 9.8 x 10⁵ Pas

Explanation:

 We know, pressure = force / area

Here,

 a force of 10N is applied on a nail of radius 10mm( 0.01 m )

 So area of cross section of nail = π( 0.01 )^2 = 0.0001π m^2

 Pressure = 10N / 0.0001π m^2 = 100,000/π pas = 10⁵/π Pas.

Pressure by man = ( weight of man ) / area

              = ( mass * g ) / area

              = ( 100 * g ) / ( 10 cm^2 )

              = 100*g / 0.001 m^2

              = 10⁵g Pas