(ii)Ann and Mary are see-sawing on a playground. The uniform plank ofthe see-saw weighs 300 N and pivots at the centre. With a mass of50.0 kg, Ann sits 0.300 m to the right from the pivot point. Calculate(A)the location that Mary should sit to balance the see-sawhorizontally if she has a mass of 65.0 kg, and(B)the normal force exerted at the pivot point.

Given data: - The weight of the uniform plank of the see-saw is W = 300 N. The mass of the Ann is…

Ann and Mary are see-sawing on a playground. The uniform plank of the see-saw weighs 300 N and pivots at the centre. With a mass of 50.0 kg, Ann sits 0.300 m to the right from the pivot point. Calculate (ii) (A) the location that Mary should sit to balance the see-saw horizontally if she has a mass of 65.0 kg, and (B) the normal force exerted at the pivot point.

Ann and Mary are see-sawing on a playground. The uniform plank of the see-saw weighs 300 N and pivots at the centre. With a mass of 50.0 kg, Ann sits 0.300 m to the right from the pivot point. Calculate (ii) (A) the location that Mary should sit to balance the see-saw horizontally if she has a mass of 65.0 kg, and (B) the normal force exerted at the pivot point.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter14: Static Equilibrium, Elasticity, And Fracture

Section: Chapter Questions

Problem 31PQ: A wooden door 2.1 m high and 0.90 m wide is hung by two hinges 1.8 m apart. The lower hinge is 15 cm...

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