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Qaagi - Book of Why

Causes

Effects

the interference of small indentations formed as one surface rolls over another(passive) is caused primarily byRolling friction

The blade holder frame straight cutting stroke is guided through special maintenance - free articulated units that rotate onto conical roller bearingscausingrolling friction only

this ( like a skateboard ) rolling over a surfacecreatesrolling friction

the wheels on the road(passive) caused bythe rolling friction

the deformation of the wheel under a load which turns kinetic energy ( useful ) into heat ( not useful(passive) is caused byRolling friction

static friction and the coefficient of friction ( which determines its strength(passive) is caused byRolling friction

a train with steel wheels running on steel rails ... pavement Factorscontributeto the rolling friction

deformation of the rolling ball or deformation of the surface or both(passive) is caused byrolling friction

to ride around the bend and up the wire toward the fuselagecreatingrolling friction

deformation and adhesion , which is a modern view ( see Section 4.4(passive) is influenced byThe rolling friction

one object rolling over another , like car tires on a road(passive) Caused byRolling Friction

a microscopic adhesion of said wheel surface to said rolling surface wherein an amount of kinetic energy of motion is lost when said amount is instead used to allow said wheel surface to break the adhesive force tending to adhere it to said rolling surface(passive) caused byrolling friction

when a roller or sphere rolls over another surface , such as with ball or roller bearings(passive) is createdRolling friction

Radial pressurecausesrolling friction

large shear strainsresultingfrom roll friction

As the screw rotates , the balls roll down the threadscreatinga rolling friction

the rotational speed of the bearings and the viscosity of the lubricant(passive) is influenced byThe rolling friction

The rolling frictional portion 53 comes into contact with the first receiving box 30causingrolling friction

imperfections in the wheels and the floor(passive) created bythe rolling friction

the wheel ... a minute hillcausesrolling friction

Adhesive force between the surfacescausesthe Rolling friction

the driving surface deforming and the wheels digging in(passive) caused byRolling friction

movement of tyres(passive) created byThe rolling friction

the impact and the elastic force(passive) caused bythe rolling friction

his fat touching the grondwould createrolling friction

This asymmetry leads to a moment on cylinderleadingto rolling friction

the bearings on the axles(passive) caused bythe rolling friction

the objects deforming at the collision points and loosing energy that way(passive) is caused byRolling friction

interactions between the rail and the wheel(passive) caused byrolling friction

pressure at such point of contact(passive) caused bythe rolling friction

the surface of the object and ground(passive) caused bythe rolling friction

a lower mechanical advantage ( gearing ratio ) due to the larger spring arm(passive) caused byrolling friction

the rolling of a circular body(passive) is caused byThe rolling friction

contacting the second wheels ( 21 , 22(passive) caused byThe rolling friction

the slide balls(passive) caused byrolling friction

the surface roughnessinfluencerolling friction

A factorinfluencingrolling friction

the difference in surface speed between the shaft surface and the accelerating inner bearing race of the bearing element(passive) caused bythe rolling friction

The wide tyrescausedrolling friction

the ball 36(passive) is caused byThe rolling friction

heat and deformation of the tirescausesheat and deformation of the tires

the u resistance(passive) caused bythe u resistance

in reduced motion friction resistanceresultsin reduced motion friction resistance

almost no damage to the triboelectric layers what does a triboelectric separator do spitsid eu video of tribo - electric separatorscausesalmost no damage to the triboelectric layers what does a triboelectric separator do spitsid eu video of tribo - electric separators

The rotary resistance of obstacle rolling bearing(passive) is composedThe rotary resistance of obstacle rolling bearing

much less resistance than sliding frictioncausesmuch less resistance than sliding friction

from the contact resistance between the aircraft 's wheels and the runway surfaceresultingfrom the contact resistance between the aircraft 's wheels and the runway surface

when one object rolls over another viscous friction resistance created by objects moving in water or other fluid Cram has partnered with the National Tutoring Associationdoes ... createdwhen one object rolls over another viscous friction resistance created by objects moving in water or other fluid Cram has partnered with the National Tutoring Association

in surface defectscould resultin surface defects

a semi - fixed boundary conditionwould ... createa semi - fixed boundary condition

at said upper positionis setat said upper position

tire wear(passive) caused bytire wear

the motion between two surfaces / shapes to be reduced during rotationcausesthe motion between two surfaces / shapes to be reduced during rotation

from a change in rotating direction of the guide rollersresultingfrom a change in rotating direction of the guide rollers

in an experience akin to a warm oil massageresultsin an experience akin to a warm oil massage

accurate motion of the ribbon when the ribbon is reversed in direction ... as the friction roller tends to loosen the roll and the friction roller can slippreventsaccurate motion of the ribbon when the ribbon is reversed in direction ... as the friction roller tends to loosen the roll and the friction roller can slip

in less attrition , stable movement and flat winding spindleresultingin less attrition , stable movement and flat winding spindle

entry of a finger betweento prevententry of a finger between

between two rollerscausedbetween two rollers

a large braking power proportional to weightcreatesa large braking power proportional to weight

when there is a normal force on the wheels and is the product of the normal force and the coefficient of the rolling frictionresultswhen there is a normal force on the wheels and is the product of the normal force and the coefficient of the rolling friction

from point contactresultingfrom point contact

hysteresis heatingcauseshysteresis heating

forward propulsioncausesforward propulsion

to long run timeleadingto long run time

in part by the contact between the vehicle”s tires and the ground surface over which the vehicle is traversingcausedin part by the contact between the vehicle”s tires and the ground surface over which the vehicle is traversing

the extra drag force(passive) created bythe extra drag force

in reduced driving power , torque requirement and increased transmission efficiencyresultingin reduced driving power , torque requirement and increased transmission efficiency

a motion - opposing force of M g coswill causea motion - opposing force of M g cos

massive benefits in eliminating vibrations(passive) caused bymassive benefits in eliminating vibrations

between the small dirving balls 28 and the forward outwardly tapering inner periphery 34causedbetween the small dirving balls 28 and the forward outwardly tapering inner periphery 34

from tensioning of the bladeresultingfrom tensioning of the blade

Rolling Contactcan causeRolling Contact

between the surface of water and the planing track 20causedbetween the surface of water and the planing track 20

a car to stopcausesa car to stop

the push slip(passive) caused bythe push slip

to erratic behaviorleadingto erratic behavior

a very positive seal to valve portscreatinga very positive seal to valve ports

a drag torquecreatesa drag torque

blisters ... increases grip and comfortcan causeblisters ... increases grip and comfort

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