A block sets on a rough (), horizontal surface. When the forces F,= 30 N and F;= 10 N are applied on the block as shown below, it is found that the block moves with constant velocity. The force of kinetic friction (f.) between the block and the surface is: A. 4.14 N, towards left B. 4.14 N, towards right C. 11.2 N, towards left D. 11.2 N, towards right E. 15 N, towards left F1 F2+

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter5: Displacement And Force In Two Dimensions
Section: Chapter Questions
Problem 71A
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A block sets on a rough (), horizontal surface.
When the forces F,= 30 N and F,= 10 N are applied on
the block as shown below, it is found that the block
moves with constant velocity. The force of kinetic
friction (f,) between the block and the surface is:
A. 4.14 N, towards left
B. 4.14 N, towards right
C. 11.2 N, towards left
D. 11.2 N, towards right
E. 15 N, towards left
F1
F24
Transcribed Image Text:A block sets on a rough (), horizontal surface. When the forces F,= 30 N and F,= 10 N are applied on the block as shown below, it is found that the block moves with constant velocity. The force of kinetic friction (f,) between the block and the surface is: A. 4.14 N, towards left B. 4.14 N, towards right C. 11.2 N, towards left D. 11.2 N, towards right E. 15 N, towards left F1 F24
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