Podcast
Questions and Answers
What is the SI unit of force?
What is the SI unit of force?
- Newton (correct)
- Joule
- Pascal
- Dyne
What is the effect of force on a stationary body?
What is the effect of force on a stationary body?
- It makes the body colder.
- It always changes its color.
- It can produce motion. (correct)
- It always breaks the body.
What does it mean for force to be a vector quantity?
What does it mean for force to be a vector quantity?
- It has only size and shape.
- It has both magnitude and direction. (correct)
- It has only direction.
- It only has magnitude.
According to the definition, which action does NOT describe 'force'?
According to the definition, which action does NOT describe 'force'?
Who was Blaise Pascal?
Who was Blaise Pascal?
What is the SI unit of pressure named in honor of Blaise Pascal?
What is the SI unit of pressure named in honor of Blaise Pascal?
What is the formula for pressure?
What is the formula for pressure?
What is one pascal (Pa) numerically equal to?
What is one pascal (Pa) numerically equal to?
A box weighs 60 N and exerts a pressure of 3 Pa. What is the area of cross-section of the box?
A box weighs 60 N and exerts a pressure of 3 Pa. What is the area of cross-section of the box?
What is the formula for calculating pressure?
What is the formula for calculating pressure?
If a force of 100 N is applied to an area of 10 m², what is the pressure in Pascals?
If a force of 100 N is applied to an area of 10 m², what is the pressure in Pascals?
What is the area of a box that weighs 200 N and exerts a pressure of 20 Pa?
What is the area of a box that weighs 200 N and exerts a pressure of 20 Pa?
What happens to pressure when the area of contact increases?
What happens to pressure when the area of contact increases?
What is the standard SI unit for measuring pressure?
What is the standard SI unit for measuring pressure?
To cut fruits, which of the following knives are preferred?
To cut fruits, which of the following knives are preferred?
What is the relationship between the area of contact and the effect of force?
What is the relationship between the area of contact and the effect of force?
If a force of 10 N is applied to an area of $2 m^2$, what is the pressure?
If a force of 10 N is applied to an area of $2 m^2$, what is the pressure?
What physical quantity measures the effect of force on an area?
What physical quantity measures the effect of force on an area?
Pressure is directly proportional to which of the following?
Pressure is directly proportional to which of the following?
Which of the following is inversely proportional to pressure?
Which of the following is inversely proportional to pressure?
Why is it easier to push a sharpened pencil into soil compared to a blunt pencil?
Why is it easier to push a sharpened pencil into soil compared to a blunt pencil?
Which of these items did Blaise Pascal invent?
Which of these items did Blaise Pascal invent?
Why can a camel walk easily on sand compared to humans?
Why can a camel walk easily on sand compared to humans?
Java needs to open a nut requiring a moment of force of $9 ext{ N m}$. If Java applies a force of $50 ext{ N}$, what length of wrench is needed?
Java needs to open a nut requiring a moment of force of $9 ext{ N m}$. If Java applies a force of $50 ext{ N}$, what length of wrench is needed?
What is the area of cross-section of an object if $F = 50 N$ and $P = 10 Pa$?
What is the area of cross-section of an object if $F = 50 N$ and $P = 10 Pa$?
What does wearing high heels concentrate onto a small area?
What does wearing high heels concentrate onto a small area?
What is the other term for spanner?
What is the other term for spanner?
Thrust is defined as a force acting in which direction to a surface?
Thrust is defined as a force acting in which direction to a surface?
A brick placed on the ground exerts thrust equal to its what?
A brick placed on the ground exerts thrust equal to its what?
Which of the following does NOT affect liquid pressure?
Which of the following does NOT affect liquid pressure?
According to the passage, thrust depends on what?
According to the passage, thrust depends on what?
What is the SI unit of moment of force?
What is the SI unit of moment of force?
Applying force at the edge of a door makes it easier to open because it maximizes what?
Applying force at the edge of a door makes it easier to open because it maximizes what?
Using a wrench with a longer arm to unscrew a tight nut requires:
Using a wrench with a longer arm to unscrew a tight nut requires:
Which of the following is an application of the turning effect of force?
Which of the following is an application of the turning effect of force?
What is the relationship between 1 Nm and dyne cm?
What is the relationship between 1 Nm and dyne cm?
What two factors determine the moment of force?
What two factors determine the moment of force?
What is the SI unit of pressure?
What is the SI unit of pressure?
Why do nails and pins have pointed tips?
Why do nails and pins have pointed tips?
What constitutes a couple of forces?
What constitutes a couple of forces?
Why is it easier to cut fruits with a sharp knife?
Why is it easier to cut fruits with a sharp knife?
Why do shopping bags have wide straps?
Why do shopping bags have wide straps?
In the formula $M = F \times d$, what does 'M' represent?
In the formula $M = F \times d$, what does 'M' represent?
Why do porters use a round piece of cloth on their heads when carrying heavy loads?
Why do porters use a round piece of cloth on their heads when carrying heavy loads?
What is the moment of force if a 20 N force is applied at a distance of 0.5 m from a fixed point?
What is the moment of force if a 20 N force is applied at a distance of 0.5 m from a fixed point?
How do snowshoes help people walk on snow?
How do snowshoes help people walk on snow?
Pressure is defined as:
Pressure is defined as:
Why do bulldozers use caterpillar tracks instead of wheels?
Why do bulldozers use caterpillar tracks instead of wheels?
What is 1 kilogram force (kgf) approximately equal to in Newtons (N)?
What is 1 kilogram force (kgf) approximately equal to in Newtons (N)?
What happens when a force is applied to a body pivoted at a point?
What happens when a force is applied to a body pivoted at a point?
What is the turning effect of a force known as?
What is the turning effect of a force known as?
What two factors does the moment of force depend on?
What two factors does the moment of force depend on?
If $M$ represents the moment of force, $F$ represents the applied force, and $d$ represents the perpendicular distance, which equation is correct?
If $M$ represents the moment of force, $F$ represents the applied force, and $d$ represents the perpendicular distance, which equation is correct?
In order to increase the turning effect of a force, what should you increase?
In order to increase the turning effect of a force, what should you increase?
Where is the handle typically placed on a door to make it easier to open?
Where is the handle typically placed on a door to make it easier to open?
Which of the following is an example of the application of moment of force??
Which of the following is an example of the application of moment of force??
What is the relationship between applied force and moment of force?
What is the relationship between applied force and moment of force?
Flashcards
Couple of Forces
Couple of Forces
Equal forces acting in different directions, causing rotation.
Moment of Force
Moment of Force
The turning effect of a force.
Pressure
Pressure
Normal force acting per unit area.
Moment of Force Formula
Moment of Force Formula
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Force and Area relationship
Force and Area relationship
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What is Force?
What is Force?
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Effects of Force
Effects of Force
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Force as a Vector
Force as a Vector
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SI Unit of Force
SI Unit of Force
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Define 1 Newton
Define 1 Newton
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Moment of Force (Torque)
Moment of Force (Torque)
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SI Unit of Torque
SI Unit of Torque
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Effect of Distance on Torque
Effect of Distance on Torque
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Wrench Length and Force
Wrench Length and Force
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Applications of Torque
Applications of Torque
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Calculating Moment
Calculating Moment
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Increasing Moment
Increasing Moment
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Camel's Feet
Camel's Feet
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Area of Contact
Area of Contact
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Pressure Equation
Pressure Equation
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High Heel Pressure
High Heel Pressure
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Kilogram Force (kgf)
Kilogram Force (kgf)
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Turning Effect of Force
Turning Effect of Force
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Factors Affecting Moment of Force
Factors Affecting Moment of Force
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SI Unit of Moment of Force
SI Unit of Moment of Force
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Increasing Turning Effect
Increasing Turning Effect
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Door Handle Placement
Door Handle Placement
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Tightening a Bolt with a Wrench
Tightening a Bolt with a Wrench
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Steering wheel application
Steering wheel application
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Potter's wheel application
Potter's wheel application
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What is pressure?
What is pressure?
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Force and Pressure
Force and Pressure
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Area and Pressure
Area and Pressure
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Pressure Formula
Pressure Formula
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SI unit of Pressure
SI unit of Pressure
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Why sharp knives?
Why sharp knives?
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Who was Blaise Pascal?
Who was Blaise Pascal?
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Area Calculation
Area Calculation
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What is 1 Pascal (Pa)?
What is 1 Pascal (Pa)?
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What is a kilopascal (kPa)?
What is a kilopascal (kPa)?
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Area Formula (from Pressure)
Area Formula (from Pressure)
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What is a Kilopascal (kPa)?
What is a Kilopascal (kPa)?
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Pascal's inventions
Pascal's inventions
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What is Thrust?
What is Thrust?
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SI unit of thrust
SI unit of thrust
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Thrust definition
Thrust definition
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Thrust vs. Pressure
Thrust vs. Pressure
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Factors affecting liquid pressure
Factors affecting liquid pressure
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Why pointed pins work?
Why pointed pins work?
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Sharp Knife Advantage
Sharp Knife Advantage
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Wide Straps Benefit
Wide Straps Benefit
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Porters' head cloth
Porters' head cloth
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Snowshoes Function
Snowshoes Function
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