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

Person travels faster than light in a space shuttle, What happens if a pers...

What happens if a person travels faster than light in a space shuttle?  Ans) Interstellar space travel is manned or unmanned travel among stars. The concept of interstellar trav

Electromagnetic induction, key headings in project file of electromagnetic ...

key headings in project file of electromagnetic induction

Conventional current, Conventional Current: Earlier scientists had no k...

Conventional Current: Earlier scientists had no knowledge of the concept of electron, so the developed the convention, still in use, , that the direction of current is for appo

energy, what is energy distribution functio

what is energy distribution function

Determine weight and density of metal in kg per meter cubed, A block of met...

A block of metal which weighs 60 newtons in air and 40 newtons under water has a density, in kilograms per meter cubed, of: a) 1000 b) 3000 c) 5000 d) 7000

1 volt, 1 Volt : Potential difference among two points will be 1 volt i...

1 Volt : Potential difference among two points will be 1 volt if 1 joule of work is needed to move a +ve charge of Coulumb from 1 point to another.

How to do fun with a pendulum, Fun with a pendulum Suspend a hard ball ...

Fun with a pendulum Suspend a hard ball about 8 cm in diameter on a cord over a table. The cord should be at least 1.5 m in length and should be just high sufficient off the ta

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