Mechanical Engineering Exam > Mechanical Engineering Questions > We slip while walking on a path having pond s...
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We slip while walking on a path having pond scum or green algae because:
- a)The inertia of motion
- b)The friction is zero
- c)The friction between the feet and the path is increased.
- d)The friction between the feet and the path is reduced.
Correct answer is option 'D'. Can you explain this answer?
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We slip while walking on a path having pond scum or green algae becaus...
Important Points
- Friction is a force between two surfaces that are sliding, or trying to slide, across each other.
- For example, when you try to push or pull luggage along the floor, friction makes this difficult.
- Friction always works in the opposite of the direction in which the object is moving or trying to move.
- There are four types of friction:
- Static Friction: Static friction acts on objects when they are resting on a surface.
- For example, hiking in the woods, there is static friction between shoes and the trail each time put down the foot.
- Without this static friction, feet would slip out and making it difficult to walk.
- Sliding Friction: Sliding friction is friction that acts on objects when they are sliding over a surface.
- Sliding friction is weaker than static friction.
- Rolling Friction: Rolling friction is friction that acts on objects when they are rolling over a surface.
- Rolling friction is much weaker than sliding friction or static friction.
- For example, ground transportation use wheels, including bicycles, cars, 4-wheelers, roller skates, scooters, skateboards, Ball bearings.
- Fluid Friction: Fluid friction is friction that acts on objects that are moving through a fluid.
- A fluid is a substance that can flow and take the shape of its container. Fluids include liquids and gases.
- Static Friction: Static friction acts on objects when they are resting on a surface.
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We slip while walking on a path having pond scum or green algae becaus...
The reason we slip while walking on a path covered with pond scum or green algae is because the friction between our feet and the path is reduced.
The inertia of motion refers to the tendency of an object to continue moving in a straight line at a constant speed unless acted upon by an external force. While inertia is a factor that affects slipping on a surface, it is not the primary reason for slipping on pond scum or green algae.
If the friction between our feet and the path were zero, we would not be able to walk at all. Friction is necessary to provide the necessary grip or traction between our feet and the ground to propel ourselves forward. Therefore, the reason for slipping cannot be zero friction.
If the friction between our feet and the path were increased, it would actually improve our grip on the surface and make it less likely for us to slip. Increased friction would provide better traction and stability, making it easier to walk on the path. Therefore, the reason for slipping cannot be increased friction.
The correct reason for slipping on pond scum or green algae is that the friction between our feet and the path is reduced. Pond scum or green algae creates a slimy and slippery surface, which reduces the friction between our feet and the ground. With reduced friction, it becomes more difficult to maintain traction while walking, leading to slips and falls.
When walking on a path covered with pond scum or green algae, the slimy layer acts as a lubricant, reducing the contact between our feet and the ground. This reduces the frictional force, making it easier for our feet to slide or slip on the surface. Additionally, the slimy layer may also prevent the formation of interlocking microstructures between our shoes and the ground, further reducing the grip.
In conclusion, we slip while walking on a path covered with pond scum or green algae because the friction between our feet and the path is reduced. The slimy and slippery nature of the pond scum acts as a lubricant, reducing the frictional force and making it difficult to maintain traction while walking.
Inertia of Motion
The inertia of motion refers to the tendency of an object to continue moving in a straight line at a constant speed unless acted upon by an external force. While inertia is a factor that affects slipping on a surface, it is not the primary reason for slipping on pond scum or green algae.
Zero Friction
If the friction between our feet and the path were zero, we would not be able to walk at all. Friction is necessary to provide the necessary grip or traction between our feet and the ground to propel ourselves forward. Therefore, the reason for slipping cannot be zero friction.
Increased Friction
If the friction between our feet and the path were increased, it would actually improve our grip on the surface and make it less likely for us to slip. Increased friction would provide better traction and stability, making it easier to walk on the path. Therefore, the reason for slipping cannot be increased friction.
Reduced Friction
The correct reason for slipping on pond scum or green algae is that the friction between our feet and the path is reduced. Pond scum or green algae creates a slimy and slippery surface, which reduces the friction between our feet and the ground. With reduced friction, it becomes more difficult to maintain traction while walking, leading to slips and falls.
When walking on a path covered with pond scum or green algae, the slimy layer acts as a lubricant, reducing the contact between our feet and the ground. This reduces the frictional force, making it easier for our feet to slide or slip on the surface. Additionally, the slimy layer may also prevent the formation of interlocking microstructures between our shoes and the ground, further reducing the grip.
Conclusion
In conclusion, we slip while walking on a path covered with pond scum or green algae because the friction between our feet and the path is reduced. The slimy and slippery nature of the pond scum acts as a lubricant, reducing the frictional force and making it difficult to maintain traction while walking.
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We slip while walking on a path having pond scum or green algae because:a)The inertia of motionb)The friction is zeroc)The friction between the feet and the path is increased.d)The friction between the feet and the path is reduced.Correct answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about We slip while walking on a path having pond scum or green algae because:a)The inertia of motionb)The friction is zeroc)The friction between the feet and the path is increased.d)The friction between the feet and the path is reduced.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for We slip while walking on a path having pond scum or green algae because:a)The inertia of motionb)The friction is zeroc)The friction between the feet and the path is increased.d)The friction between the feet and the path is reduced.Correct answer is option 'D'. Can you explain this answer?.
We slip while walking on a path having pond scum or green algae because:a)The inertia of motionb)The friction is zeroc)The friction between the feet and the path is increased.d)The friction between the feet and the path is reduced.Correct answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about We slip while walking on a path having pond scum or green algae because:a)The inertia of motionb)The friction is zeroc)The friction between the feet and the path is increased.d)The friction between the feet and the path is reduced.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for We slip while walking on a path having pond scum or green algae because:a)The inertia of motionb)The friction is zeroc)The friction between the feet and the path is increased.d)The friction between the feet and the path is reduced.Correct answer is option 'D'. Can you explain this answer?.
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