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Question 1:
A force of 100 N is applied to an object if area 2 m² . The pressure exerted is equal to:
A)20 Nm^-2
B)50 Nm^-2
C)50N/m^-2
D)50Nm²

Question 2:
Why do deep sea divers wear specially designed suits?

Question 3:
Fill in the blanks:
a)The pressure exerted by liquids depend on _____,_______ & _______.
b)Pressure applied to a liquid is transmitted equally in all directions. This statement is known as ______.
c) Force acting on a body can change it's ________ and _______.

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Answer 1

Answer:

Explanation:

Q1 } F= 100 N

       A = 2 m²

      P = F / A

          = 100/2

          = 50N/m^-2

Q2] At deep waters, the column of water above the diver exerts a pressure. The pressure is very high due to the weight of water above the diver upto the surface. The diving suits are required to enable diver with stand these pressures and swim comfortably.

Q3] a]density of the liquid, the acceleration due to gravity, and the depth within the liquid.

 b] Pascals Law

  c]  speed, shape and the direction of motion of an object.

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Answer 2

Hey dear ! here is your answer

$\large { \underline{ \tt { \blue{Question \: \: 1}}}}$

A force of 100 N is applied to an object if area

2 m² . The pressure exerted is equal to :

A) 20 Nm^-2

B) 50 Nm^-2

C) 50 N/m^-2

D) 50 Nm²

$\large { \underline{ \tt{ \purple{Answer}}}}$

We know that~

Pressure = Force / Area

______________

It's given that

• Force = 100 N
• Area = 2 m²

Pressure = Force / Area

Pressure = 100 / 2

Pressure = 50 N/m^-2

______________________

$\large { \underline{ \tt { \blue{Question \: \: 2}}}}$

Why do deep sea divers wear specially designed suits?

$\large{ \underline{ \tt{ \purple{Answer}}}}$

Divers have to be careful if they want to dive to a great depth in the sea.

The weight of water above presses down on them. The greater the depth they go, the more water there is above them pressing down, and so the pressure is greater.

Therefore, sea divers have to wear specially designed suits.

____________________

$\large { \underline{ \tt { \blue{Question \: \: 3}}}}$

Fill in the blanks :-

$\large{ \underline{ \tt {\purple{Answer}}}}$

• A) Density, depth, gravity.
• B) Pascal ( Pa).
• C) Speed and Direction .

______________________