In the gear shown, gear 3 is carried on arm 5. Gear 3 meshes with gear – McqOptions

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1.	In the gear shown, gear 3 is carried on arm 5. Gear 3 meshes with gear 2 and gear 4. The number of teeth on gear 2, 3, and 4 are 60, 20, and 100, respectively. If gear 2 is fixed and gear 4 rotates with an angular velocity of 100 rpm in the counter-clockwise direction, the angular speed of arm 5 (in rpm) is
A.	166.7 counter-clockwise
B.	166.7 clockwise
C.	62.5 counter-clockwise
D.	62.5 clockwise
Answer» D. 62.5 clockwise

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