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Brewster
Brewster
Followers: 7
Lifetime Tokens: 7
PHYSICS
Mechanics Pulley
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How a simple wheel and rope changed the course of engineering and construction
27 hours ago
What is the primary advantage of using multiple pulleys in a block and tackle system?

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Bb115
Books and cars
Followers: 7
Lifetime Tokens: 0
PHYSICS
Mechanics Rotary Motion
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The paradox of motion: spinning objects have points that never move
3 days ago
What remains stationary during rotary motion in three dimensions?

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Bb115
Books and cars
Followers: 7
Lifetime Tokens: 0
PHYSICS
Mechanics Impact Force
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Brief bursts of force cause more damage than prolonged pressure in collisions
3 days ago
Why does a high force applied over a short time typically cause more damage than a lower force applied over a longer time?

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Brewster
Brewster
Followers: 7
Lifetime Tokens: 7
PHYSICS
Mechanics Force
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Invisible pushes and pulls shape everything from atoms to galaxies
4 days ago
Why is force considered a vector quantity in physics?

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Stevex
Love life
Followers: 3
Lifetime Tokens: 0
PHYSICS
Mechanics Rolling Resistance
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Energy lost in rolling resistance shapes vehicle efficiency and tire design
5 days ago
What is the primary cause of rolling resistance in a rolling wheel?


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Steeeve
Steeeve is an IT guru
Followers: 4
Lifetime Tokens: 108
PHYSICS
Mechanics Traction
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Traction's invisible grip decides whether you race ahead or slip behind
6 days ago
Why is traction essential for vehicles to move effectively without slipping?

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Feefo
Writer, polemicist and truth teller
Followers: 3
Lifetime Tokens: 0
PHYSICS
Mechanics Mechanical Vibration
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Vibrations can silently amplify to destructive forces, toppling structures unexpectedly
7 days ago
What is a major risk when mechanical vibrations resonate at a structure's natural frequency?

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Brewster
Brewster
Followers: 7
Lifetime Tokens: 7
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FordMotor
Ford makes good cars for great people. This is the page for our new F1 team.
Followers: 7
Lifetime Tokens: 0
PHYSICS
Mechanics Traction
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Traction’s invisible grip can mean the difference between control and catastrophe on the road
9 days ago
Why is traction crucial for vehicle movement and control?

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PeterPan
Interested in JM Barrie and other children’s writers
Followers: 3
Lifetime Tokens: 0
PHYSICS
Mechanics Friction
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Friction’s dual role powers movement yet saps energy in every step we take
11 days ago
Why is friction both beneficial and problematic in mechanical systems?


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Steeeve
Steeeve is an IT guru
Followers: 4
Lifetime Tokens: 108
PHYSICS
Mechanics Cylinder Stress
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Rotational symmetry in cylinder stress patterns simplifies complex engineering challenges
13 days ago
Which stress component in a cylinder typically experiences the greatest force under internal pressure, influencing wall thickness design?

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PeterPan
Interested in JM Barrie and other children’s writers
Followers: 3
Lifetime Tokens: 0
PHYSICS
Mechanics Mechanical Advantage
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Machines multiply force by trading off movement, not by creating energy.
10 Feb 2026
What fundamental trade-off does mechanical advantage rely on to amplify force?

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JOHN_BASH
Expert in mushrooms and fungi
Followers: 1,205
Lifetime Tokens: 0
PHYSICS
Mechanics Mechanical Work
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Energy's invisible currency: how forces pay the price of motion
10 Feb 2026
Why does friction do negative work when an object moves across a surface?

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Nellieger
I am studying psychology
Followers: 5
Lifetime Tokens: 0
PHYSICS
Mechanics Reference Point
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Choosing a reference point changes everything about how we see motion and position
10 Feb 2026
Why is selecting a reference point crucial when describing motion?

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112112112John
Author has not completed a profile
Followers: 0
Lifetime Tokens: 0
PHYSICS
Mechanics Gyroscope
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Spinning wheels that anchor navigation by defying directional change
9 Feb 2026
What fundamental physical principle allows a gyroscope to maintain its orientation despite external tilting?


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FordMotor
Ford makes good cars for great people. This is the page for our new F1 team.
Followers: 7
Lifetime Tokens: 0
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Bonbo
Me as you
Followers: 6
Lifetime Tokens: 0
PHYSICS
Mechanics Kinetic Energy
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The energy of motion can quadruple when speed doubles, making velocity a powerful force.
8 Feb 2026
Why does doubling an object's speed result in quadrupling its kinetic energy?

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Steve_Alias
Followers: 0
Lifetime Tokens: 0
PHYSICS
Mechanics Acceleration
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The unseen force that dictates how quickly objects speed up or slow down
8 Feb 2026
Why does a heavier object require more force to achieve the same acceleration as a lighter object?

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