Question

A rectangular table top has length 1.6 m and width 0.8 m. A force of 650 N is applied to the whole table top. Calculate the pressure in N/m2 to the nearest integer

Answer 1

~508
`Nm^(-2)` is the pressure.

Explanation:

Given:

Length of rectangular table,
`l = 1.6\ m`

Width of rectangular table,
`w = 0.8\ m`

Force applied to whole table top,
`F =650 N`

To find:

Pressure,
`P = ?`

Formula for Pressure(in
`Nm^(-2)`) is given as:

`P = (F)/(A)`

Where F is the force applied in N and

A is the area in
`m^(2)`

Here A = Length
`*` Width (Because table is rectangular in shape)

A =
`l * w`

A = 1.6
`*` 0.8 = 1.28
`m^(2)`

Now, finding Pressure:

`P = (650)/(1.28)\\\Rightarrow P = 507.8\ Nm^(-2)`

Pressure is
`507.8\ Nm^(-2)`.

Nearest integer values is: ~508
`Nm^(-2)`