jaedenevan062907 jaedenevan062907
  • 01-10-2018
  • Physics
contestada

A block has a volume of 0.09m3 and a density of 4000kg/m3. What's the force of gravity acting on the block in water

Respuesta :

lucic
lucic lucic
  • 02-10-2018

Volume=0.09m³

Density=4000kg/m³

Force=?

Density=mass/volume ⇒mass=volume×density

m=0.09×4000=360kg

Force=mass×accelaration

F=360×9.8

F=3528N

Answer Link
smmwaite
smmwaite smmwaite
  • 02-10-2018

Answer

3,528 N


Explanation

density = mass/volume

ρ = m/v

∴ m = ρv

      = 4000 × 0.09

        = 360 Kg

Weight is defined as the force that acts on  a body and is directed towards the center of the earth.

Weight = mass × acceleration due to gravity

W = mg          Where g = 9.8 m/s²

W = 360 × 9.8

  = 3,528 N



             

         



Answer Link

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