Determine tension in pulley problems, Physics

Assignment Help:

Three equal weights A, B, C of mass 2 kg each are hanging on a string passing over a fixed frictionless pulley as shown. Tension in the string connecting weights B and C is approximately.

 

1515_tension-in-pulley.png

 

Answers: Acceleration of the system = a = (4-2)g/4+2

i.e.  a=g/3

Tension in the string between B and C

T= apparent weight of C

= 2(g-a)

= 2(g-g/3)

= 13.07N


Related Discussions:- Determine tension in pulley problems

Optometry, why the least distance of distinct vision is 25 %

why the least distance of distinct vision is 25 %

Write an expression for interest rate parity, Q. Write an expression for in...

Q. Write an expression for interest rate parity under the condition of imperfect asset substitutability. Answer:  R = R* + (E e - E)/E + a where R denotes the risk premium tha

Universal Gravity, There is a point between the Earth and the Moon where th...

There is a point between the Earth and the Moon where the gravitational effects of the two bodies balance each other. Calculate the distance from the center of the Earth to this po

Plane and convex mirrors, (a) You have studied that plane and convex mirror...

(a) You have studied that plane and convex mirrors produce virtual images of objects. Can they generate real image under some circumstances? Explain. (b) A virtual image we a

Experiment of a simple pendulum, A simple pendulum Tie a cord at least ...

A simple pendulum Tie a cord at least 2 m long to some object like a stone or a small metal ball. Suspend this in a doorway or from a hook in the ceiling and begin it swinging

Reflection of a pulse at a free end, Reflection of a Pulse at a Free End ...

Reflection of a Pulse at a Free End Let's assume a pulse moving by a medium - perhaps by a rope or a slinky. What happens to the pulse while it reaches the end of in which medi

What makes a good illuminator, What makes a good illuminator? Illuminat...

What makes a good illuminator? Illuminators should perform three separate tasks along with a degree of efficiency.  Initially must house a lamp and its transformer, power sourc

Thermal equillibrium, a column of water contains fine metal particles of ra...

a column of water contains fine metal particles of radius 2*E(-8) m, which are in thermal equillibrium at 298 K. if there are 1000 particles per unit volume at a given height,how m

Basic electric potential problems, Which of the subsequent represent the tw...

Which of the subsequent represent the two kinds of basic (single-concept) electric potential problems?

Explain constant voltage system, Explain Constant voltage system Const...

Explain Constant voltage system Constant voltage system :  In this process voltage is kept constant but results in very huge charging current in the starting when the back emf

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd