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# The Driving Wheel of a Gear System is of Radius 1 Cm and It Has 8 Teeth. for Twelve Rotations of the Driving Wheel, If the Driven Wheel Makes One Rotation Find : (A) the Radius, and (B) the Number - ICSE Class 10 - Physics

ConceptConcept of Machines Numercials

#### Question

The driving wheel of a gear system is of radius 1 cm and it has 8 teeth. For twelve rotations of
the driving wheel, if the driven wheel makes one rotation find :
(b) the number of teeth in the driven wheel.

#### Solution

Given, radius of driving wheel ra = 1 cm
No. of teeth in the driving wheel Na= 8
Speed of rotation of driving wheel na = 12 rpm
Speed of rotation of driven wheel nb = 1 rpm

(a) Radius of driven wheel rb   = ra× "na"/"nb" = 1xx12/1 =12  cm

(b) No. of teeth in the driven wheel Nb = Na xx (na )/(nb) = xx 12/1 = 96

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#### APPEARS IN

Solution The Driving Wheel of a Gear System is of Radius 1 Cm and It Has 8 Teeth. for Twelve Rotations of the Driving Wheel, If the Driven Wheel Makes One Rotation Find : (A) the Radius, and (B) the Number Concept: Concept of Machines Numercials.
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