Reducing friction with pencils, Physics

Assignment Help:

Reducing friction with pencils

Place round pencils under a heavy box. Join a string to the box and find the force required to move it across a table. Search the force needed to move the box without the rollers. Summarize the data get and suggest explanations for the results.

 

2350_Reducing friction with pencils.png

friction with pencils


Related Discussions:- Reducing friction with pencils

Polarisation, describe the construction and working of a Nicol prism.discus...

describe the construction and working of a Nicol prism.discuss how you obtain a plane polarised beam with it?

Explain how tunneling takes place in forward bias, Describe how tunneling t...

Describe how tunneling takes place    When  tunnel  diode  is  forward  biased,  its  initial  behaviour  is  similar  to  that when it's reverse biased. Now, some of the fille

Microwave, Write an assembly program to make a microwave. Need: 1.    T...

Write an assembly program to make a microwave. Need: 1.    The microwave has a clock (hh:mm:ss am/pm) and the user should be able to alter the clock at any time. 2.    For c

Evaluate the path of the magnetic field, A straight vertical wire passes by...

A straight vertical wire passes by a wooden table top. The wire carries an upward directed current. Evaluate the path of the magnetic field of the wire at a point on the table top

Discuss the mechanism of cationic polymerization, How is hardness of water ...

How is hardness of water sample estimated through EDTA titration? Discuss the mechanism of cationic polymerization

Field system od dc motor, Field system: The object of the field system is ...

Field system: The object of the field system is to make a uniform magnetic field, within which the armature rotates. It consists of four parts- yoke, pole core, pole shoe and fiel

Dipole moment, what is the electric field when both the charges are same in...

what is the electric field when both the charges are same in dipole

Determine the mechanical efficiency of the pump, An oil pump is drawing 25 ...

An oil pump is drawing 25 kW of electric power while pumping oil with ρ = 860 kg/m 3 at a rate of 0.1 m 3 /s. The inlet and outlet diameters of the pipe are 8 cm and 12 cm, respec

Define angular momentum, The turning movement of a particle about the axis ...

The turning movement of a particle about the axis of rotation is called the angular momentum of the particle and is measured as the product of the linear momentum and the perpendic

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