A fisherman applies a force (F) of 90 N to pull a fish box of mass 40 kg on arough surface of µ, = 0.5 and u, = 0.3. If the box stays at rest, then the frictionalforce acting on the box is:a. 120O b. 100O c. 50O d. 200O e. 90O O

Answer: The frictional force acting on the box is 90 N.

A fisherman applies a force (F) of 90 N to pull a fish box of mass 40 kg on a rough surface of u, = 0.5 and u, = 0.3. If the box stays at rest, then the frictional force acting on the box is: O a. 120 O b. 100 O c. 50 O d. 200 e. 90 O O O O

A fisherman applies a force (F) of 90 N to pull a fish box of mass 40 kg on a rough surface of u, = 0.5 and u, = 0.3. If the box stays at rest, then the frictional force acting on the box is: O a. 120 O b. 100 O c. 50 O d. 200 e. 90 O O O O

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter4: Coplanar Equilibrium Analysis

Section: Chapter Questions

Problem 4.98P: Find the tension T in the cable when the 180-N force is applied to the pedal at E. Neglect friction...

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Concept explainers

Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.

Question

A fisherman applies a force (F) of 90 N to pull a fish box of mass 40 kg on a
rough surface of µ, = 0.5 and u, = 0.3. If the box stays at rest, then the frictional
force acting on the box is:
a. 120
O b. 100
O c. 50
O d. 200
O e. 90
O O

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