anamikasaiju2008 anamikasaiju2008
  • 11-05-2021
  • Physics
contestada

please answer this dear friends please

please answer this dear friends please class=

Respuesta :

nazirgoodwill
nazirgoodwill nazirgoodwill
  • 11-05-2021

Answer:

7. 5 pa

8. 5 pa

9. 5 pa

10. 75 pa

11. 25 N

Explanation:

7.

P = F/ A

= 15 / 3

= 5 pa

8.

P = F/ A

= 35 / 7

= 5 pa

9.

area of floor = l × b

= 1 × 4

= 4m^ 2

P = F / A

= 20 / 4

=5 pa

10.

area in m^2 = 400/100 = 4m^2

P = F/A

= 300 / 4

= 75 pa

11.

F = P×A

= 25×1

= 25 N

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