Question

calculate the pressure produced by applying 20n force on a flat surface having a width of 80cm and a length measuring 5m​

Answer 1

★ Appropriate Question -

• Calculate the pressure produced by applying 20N force on a flat surface having a width of 80 cm and a length of 5 m.

★ Answer -

• The pressure produced = 5N/m².

★ To calculate -

• The pressure produced.

★ Step-by-step explanation -

• Here, the length and breadth of a flat surface are given to us. We have to calculate the pressure produced by applying a force of 20N on it. First let's find the area of the flat surface!

We know that -

$\purple{\bigstar \: \underline{ \boxed{\sf Area_{(rectangle)} = Length \times Width}}}$

Here -

• Length = 5 m.
• Width = 80 cm.

Converting the width into m -

$\rm\longrightarrow \: \dfrac{80}{100} = 0.8 \: m.$

Therefore -

$\hookrightarrow\tt Area_{(flat \: surface)} = 5 \times 0.8$

$\hookrightarrow\tt Area_{(flat \: surface)} = 4 \: {m}^{2}$

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Now, we know that -

$\purple{ \bigstar \: \underline{ \boxed{ \sf Pressure = \dfrac{Force}{Area}}}}$

Here -

• Force = 20N.
• Area = 4 m².

Therefore -

$\implies \bf Pressure = \cancel{\dfrac{20}{4} }$

$\bf \implies Pressure = 5 N/ {m}^{2}$

Thus -

• The pressure = 5N/m².

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Answer 2

☆Question :-

• Calculate the pressure produced by applying 20N force on a flat surface having a width of 80 cm and a length of 5 m.

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☆How to solve :-

Here length is given to us, width or breadth is also given to us . So, the force is also given 20 N . So, first let find the area of the flat surface !

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☆To find :-

• The pressure produced

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☆Formula :-

$\star\rm \: Area_{(rectangle)} = length \times breadth$

$\star \rm \: Pressure = \dfrac{force}{area}$

So, let's solve :-

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Given :-

• Length = 5 m
• Breadth = 80 cm

Now, we can't solve it when two different units are there so, I am converting 80 cm to m . Also, you can convert it to m to cm .

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Converting into m :-

We know , 1 m = 100 cm

$\rm \dfrac{8 \cancel0}{10 \cancel0} = \bf0.8 \: m$

Converting into cm :-

We know , 1 m = 100 cm

$\rm5 \times 100 = \bf500 \: cm$

But , I am gonna solve by 0.8 m.

$\rm \: Area_{(flat \: surface)} = 5 \times 0.8$

$\rm \: Area_{(flat \: surface)} = 4 {m}^{2}$

Now , Area of flat surface is Calculated . Now find Pressure.

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Given :-

• Force = 20 N
• Area = 4 m ^2 .

$\hookrightarrow \sf Pressure = \cancel\dfrac{20}{4}$

$\hookrightarrow \sf Pressure = 5N/ \: {m}^{2}$

$\underline{\tt \therefore \: Pressure = 5N/ {m}^{2} }$

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