The collar of mass m 3.1 kg slides on the rough horizontal shaft under the action of the force Fof constantmagnitude F 21 N but variable direction. If e 0.61t, and if the collar has a speed v1 3.9 m/s to the right when e=0, determine the velocity v2 of the collar when 0 reaches 90.Also determine the value of Fwhich renders V2 = V1The coefficient of friction is Hk 0.18FтAnswers:If F 21 N, V2m/s=If v2 V1,F=

Draw the impulse momentum diagram of the collar.

Answered: The collar of mass m 3.1 kg slides on…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

If the coefficient of kinetic friction between the 50-kg crate and the ground isuk = 0.3, determine the distance the crate travels and its velocity when t= 3 s. The crate startsfrom rest, and p= 200 N.
The 10-lb block has a speed of 4 ft/s when the force of F= (8t^2) lbf is applied.Determine the velocity of the block when t= 2 s. The coefficient of kinetic friction at the surfaceis uk = 0.2
Find the velocity of body A after it has moved, startingfrom rest at the given position, for 9 ft along the surfaceshown. The coefficient of friction between block A and thesurface is 0.35.
The 50-kg crate is hoisted up the 30o incline by the pulley system and motor M. If the crate starts from rest and by constant acceleration attains a speed of 9.5 m/s after traveling 11.5 m along the plane, determine the power in kW that must be supplied to the motor at this instant. Neglect friction along the plane. The motor has an efficiency ϵ = 0.53.
The 10-lb block has a speed of 4 ft/s when the force of F = (8t2) lb is applied. Determine the velocity of the block when it moves s = 30 ft. The coefficient of kinetic friction at the surface is ms = 0.2.
The 10-lb block has a speed of 4 ft/s when the force of F=(8t2) lb is applied. The coefficient of kinetic friction at the surface is μs = 0.2
When the 5 kg block is 6 m from the wall, it is sliding at v1=14 m/s. If the coefficient of kinetic friction between the block and the horizontal plane is µk=0.3, determine the impulse of the wall on the block necessary to stop the block. Neglect the friction impulse action on the block during the collison.
The at-rest crate, which has a mass of 100 kg, is subjected to the action of thetwo forces. Using the principle of work and energy, determine the distance it slides when itreaches a speed of 6 m/s. The coefficient of kinetic friction between the crate and the surface is uk = 0.2.
Block A has a weight of 60 lbf and block B has a weight of 10 lbf. Determinethe speed of block A after it moves 5 ft down the plane, starting from rest. Neglect friction and themass of the cord and pulleys.
The carnival ride from Prob. 12.51 is modified so that the 80-kg riders can move up and down the inclined wall as the speed of the ride increases. Assuming that the friction between the wall and the carriage is negligible, determine the position h of the rider if the speed v0 = 13 m/s.Reference to Problem 12.51:
The 18-lb object is travelling at a speed of 8 ft/s when the force of 15 lb is applied in thesame direction of its initial speed. What is the velocity of the block when it moves s =30ft. The coefficient of kinetic friction at the surface is μk = 0.26.
As shown in the figure, the 300-lb counterweight B pulls the 200-lb block A up the 30° incline; the coefficient of kinetic friction is 0.20. If the pulleys are considered frictionless and weightless, determine the velocity of block A after it has moved 20 ft, starting from rest.

SEE MORE QUESTIONS

Recommended textbooks for you

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS