Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter7: Gravity
Section: Chapter Questions
Problem 1PQ: We use the terms sunset and sunrise. In what way are these terms misleading?
Related questions
Question
The GRF acting on Sara during her long jump is 4500N acting forward and upward at an angle of 78 o from the horizontal. Sara’s mass is 62kg. Other than gravity, this is the only external force acting on Sara. a) What is the vertical component of this GRF? b) What is the horizontal component of this GRF? c) What is the net force in the Y direction? d) What is the net force in the X direction? e) How big is the net force, the sum of all the external forces, acting on Sara? Please answer parts a-e. Show all work.
Transcribed Image Text:4500 N
78°
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