Explain the concept of friction, Physics

Assignment Help:

A 5 kilogram mass is lifted at constant velocity from a shop floor by a rope that passes by a pulley attached to the shop's ceiling. 

Neglecting the mass of the rope and friction in the pulley, what is the approximate tension in the rope?

a)  100 newtons

b)  50 newtons

c)  25 newtons

d)  5 newtons

Ans- 50 Newton

 


Related Discussions:- Explain the concept of friction

Factor, Discuss the Factor affecting limiting current.

Discuss the Factor affecting limiting current.

Capacitor-start-capacitor-run single-phase motor, Capacitor-start-capacitor...

Capacitor-start-capacitor-run single-phase motor : In this case, two capacitors are used one for preliminary and other for running purpose as shown. The capacitor used for prelimin

How is transmitter used in fibre optic communication system, How is transmi...

How is transmitter used in fibre optic communication system? Transmitter: This consists of analog to digital interface (driver). There, the input signal is converted within

Explain electric potential inside hollow conducting shell, Five coulombs of...

Five coulombs of charge are placed on a thin-walled conducting shell. Once the charge has come to rest, the electric potential inside the hollow conducting shell is found to be:

Density of energy state, Q. What is the density of energy states in metals?...

Q. What is the density of energy states in metals? Obtain an expression for the density of states for free electron gas in metals.   Ans.  Density of energy state is define

Definition of fundamental units, (i) Meter : The presently accepted defini...

(i) Meter : The presently accepted definition of meter is the length of path travelled by light in space in 1/299,792,458th second. (ii) Kilogram : Kilogram is the fundamental

Find total radiance emittance for the blackbody?, For a blackbody, the freq...

For a blackbody, the frequency at which maximum energy is emitted is 3 x 10 13 Hz:   A.  Give a wavenumber for the wavelength of the infrared emission? B.  What is the tempe

What does the negative sign signify, In utilizing Kirchoff's Laws to analyz...

In utilizing Kirchoff's Laws to analyze a circuit a student correctly calculates a negative value for one of the currents in the circuit. What does the negative sign signify?

Occilation, if we drill a hile along the diametre of earth and drop a ball ...

if we drill a hile along the diametre of earth and drop a ball inside it then what will happen the ball will occilate or drop down in the space

Does weight influence how far you jump, For the same leg strength / jumping...

For the same leg strength / jumping technique weight affects how far one can jump. Acceleration = Force / Mass With more mass you can't accelerate yourself as much when you j

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