Determine the work done by a friction force, Physics

Assignment Help:

The work done by a friction force is:

a) Always positive

b) Always negative

c) Always zero

d) Either positive or negative depending upon the situation.

Ans: The work done by a friction force is always negative.


Related Discussions:- Determine the work done by a friction force

Polarisation, what is the working of Nicol prism as polarize r and analyzer...

what is the working of Nicol prism as polarize r and analyzer?

Magnetic field and electric current., the magnetic field at a dictance of 2...

the magnetic field at a dictance of 2cm from the axis of a straight conductor carrying current is 12mT.Find the currentin the conductor?

What is truth table, The operation of a logic gate or circuit can be shown ...

The operation of a logic gate or circuit can be shown in a table which have all possible inputs and their corresponding output is known as the truth table. To write the truth table

Compute the threshold wavelength, Q. The work function of a metal surface i...

Q. The work function of a metal surface is 1.8 eV. Compute the threshold wavelength.  Work function W = hγ o = h C / λ 0 λ 0 = h C / W = 6.626 X 10 -34 X 3 X 10 8

Infrared radiations and ultra violet radiations, Infrared radiations and Ul...

Infrared radiations and Ultra Violet radiations: What are infrared radiations and Ultra Violet radiations? Ans: Infrared: Wavelengths larger than visible light 2. Wav

Sodium iodide crystal (nai), Sodium iodide crystal (NaI) It scintillat...

Sodium iodide crystal (NaI) It scintillate with good efficiency when gamma ray is absorbed, these crystals where attached directly to the PTM to detect a weak flashes of light

Curies law, Curie's law (P. Curie) The susceptibility, khi, of an isot...

Curie's law (P. Curie) The susceptibility, khi, of an isotropic paramagnetic substance is associated to its thermodynamic temperature T through the equation khi = C/T

9th, what is dynamics

what is dynamics

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