2 of 23- (KINETICS)The coefficient of friction under each of the weights shown inFig. is 0,1. Solve of the acceleration of the weights and thetension T in the rope. Neglect the friction and weight of thepulley.1000 N1000 N304- (WORK AND ENRGY)A brick stats from rest on a roof that risess cm for each 12 cmand slides for a distance of 4m before reaching the edge of theroof that is 5m above the ground. The coefficient of frictionbetween the brick and the roof is 0,4. Determine the velocity atwhich brick leaves the roof and the distance from the building tothe point where it strikes the ground.W5m5- (Power )An engine attains a velocity of 30 km/h in 2 min from rest in atrain of 200 kN weight on a level line. If the resistance is 5 Nper kN, find the greatest horse power the engine is developingand also the greatest velocity it can attain if this power ismaintained.

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The coefficient of friction under each of the weights shown in Fig. is 0,1. Solve of the acceleration of the weights and the tension T in the rope. Neglect the friction and weight of the pulley. 1000 N 1000 N 60 30

The coefficient of friction under each of the weights shown in Fig. is 0,1. Solve of the acceleration of the weights and the tension T in the rope. Neglect the friction and weight of the pulley. 1000 N 1000 N 60 30

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.50P: The block of weight W is pulled by the force P inclined at the angle to the horizontal. Find the...

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Question

2 of 2
3- (KINETICS)
The coefficient of friction under each of the weights shown in
Fig. is 0,1. Solve of the acceleration of the weights and the
tension T in the rope. Neglect the friction and weight of the
pulley.
1000 N
1000 N
30
4- (WORK AND ENRGY)
A brick stats from rest on a roof that risess cm for each 12 cm
and slides for a distance of 4m before reaching the edge of the
roof that is 5m above the ground. The coefficient of friction
between the brick and the roof is 0,4. Determine the velocity at
which brick leaves the roof and the distance from the building to
the point where it strikes the ground.
W
5m
5- (Power )
An engine attains a velocity of 30 km/h in 2 min from rest in a
train of 200 kN weight on a level line. If the resistance is 5 N
per kN, find the greatest horse power the engine is developing
and also the greatest velocity it can attain if this power is
maintained.

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