weresasha49
Answered

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A box is put on a table. The face of the box in contact with the table is in the shape of a rectangle, 2 m by 1.25m. The pressure on the table due to the box is 42 newtons/m² Work out the force exerted by the box on the table.​

Sagot :

sqdancefan

Answer:

  105 N

Step-by-step explanation:

You want the force exerted on an area 2 m by 1.25 m by a pressure of 42 N/m².

Area

The area is ...

  A = LW

  A = (2 m)(1.25 m) = 2.50 m²

Force

The force is the product of the pressure and the area:

  F = PA

  F = (42 N/m²)(2.5 m²) = 105 N

The box exerts a force of 105 N on the table.

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