Pascal's Principle

Which of the following explains the principle in a hydraulic system?

• Fluid has a fixed shape

• Fluid has free moving particles

• Fluid can be compressed in a enclosed system

• Fluid transfers pressure in all directions uniformly in an enclosed system

The following information shows a few examples of devices used in daily life

* Dental chair

* Hydraulic brake

* Hydraulic jack

What is the principle applied by the devices above?

• Pascal's principle

• Bernoulli's principle

• Archimedes principle

• The principle of conservation of momentum

Diagram shows a hydraulic pump. Which of the following statement is true?

• The force F is the same as the weight of the load

• The force is greater than the weight of the load

• The pressure on piston P is the same as the pressure on piston Q

• The pressure on piston P is smaller than the pressure on piston Q.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which vehicle or machine applies Pascal's principle?

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According to Pascal's Law, what happens when pressure is applied to an enclosed fluid?

• The pressure decreases proportionally

• The pressure remains constant

• The pressure is transmitted equally in all directions

• The pressure increases only at the point of application

Which comparison is correct

• F1 = F2

• P1 > P2

• F1 > F2

• P1 = P2

If you double the size of the larger pad of a hydraulic system, how much less force do you need to apply to the smaller pad to achieve the same result?

• 1/4 the force

• 1/3 the force

• 1/2 the force

• The same amount of force

Diagram shows a hydraulic jack. What is the characteristics of the oil that allows the above instruments to lift the car while we change the car tyres?

• Oil cannot be compressed

• Oil has a fixed shape

• Oil has particles that are closely arranged and compact

• Oil has particles that are arranged far apart from each other

A force is applied in a closed container, the pressure increases the same amount. EX: squeezing a water bottle or toothpaste

• Archimede's Principle

• Pascal's Principle

• Bernoulli's Principle 

What is the pressure in the hydraulic fluid?

• 1210 N

• 484 N/m²

• 8000 N

• 3025 N/m²