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

What is instantaneous speed and velocity, Instantaneous velocity and speed ...

Instantaneous velocity and speed are explained at a certain instant and are shown by

Reducing friction by an air stream, Reducing friction by an air stream ...

Reducing friction by an air stream Cut out a disc of cardboard about 10 cm in diameter. With a red-hot pin, burn a hole by the centre. Saw a small cotton reel in half and glue

How x-rays are produced, Question 1. How X-rays are produced? Describe ...

Question 1. How X-rays are produced? Describe the properties of X-Rays? 2. Describe the half wave & full wave Rectifications employed in an X-ray tube? 3. Discuss the med

How far does the cue ball travel after strikes other ball, A cue ball on a ...

A cue ball on a billiards table travels at 1.0 m/s for 2.0 s. After striking another ball, it travels at 0.80 m/s for 2.5 s at an angle of 60.0° from its original path. a. How

Vitreous enamel capacitors, These capacitors are made using vitreous enamel...

These capacitors are made using vitreous enamel on mixture of silica, alkali oxides and fluorides as dielectrics. These capacitors are formed by spraying vitreous lacquer on metal

Describe the michelson morleys experiment, Describe the Michelson Morley's ...

Describe the Michelson Morley's experiment and explain its negative result. What is "Length Contraction" and "Time Dilation" in relativistic mechanics? Explain.

Determine the mutual inductance of the two coils, When the current in the p...

When the current in the primary coil of 400 turns of a magnetic circuit, enhances linearly from10mA to 35mA in 100ms, an e.m.f. of 75mV is induced into the secondary coil of 240 tu

Dielectric constant of the material filling the gap, a) How much charge sho...

a) How much charge should be placed on it to raise its potential to 10,000 V. b)  A parallel plate capacitor having plate area 100 cm 2 and separation 1.0 mm holds a charge of

Op-amp as a subtractor, Op-amp as a Subtractor A fundamental differe...

Op-amp as a Subtractor A fundamental differential amplifier can be used as a subtractor as shown in figure (c) In this figure, all external resistors are equal in value, so

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