If an object isnt moving, no external force acts on it, Physics

Assignment Help:

Q. If an object isn't moving, no external force acts on it. 

No it is always not true, there would be balanced forces which cancel each other out leaving no net force. Example: Sitting on a chair, the chair pushes up on you while gravity pulls you down, but you aren't going anywhere because those forces cancel each oyher and net force is equal to zero. 


Related Discussions:- If an object isnt moving, no external force acts on it

Nikol prisom, How nikol prisim can use as polarizer and analyzer

How nikol prisim can use as polarizer and analyzer

Explain the types of x-rays, Depending upon the penetration power, there ar...

Depending upon the penetration power, there are two parts of X-rays Hard X-rays More penetration power More frequency of the order of ≈ 1019 Hz Lesser wavelength range

Explain the strength of the electromagnet, Consider the sketch of the elect...

Consider the sketch of the electromagnet in the figure below. Which components could you change to increase or reduces the strength of the electromagnet? Describe your answer.

Coil length of motor , Relationship among current, voltage, Torque,speed,co...

Relationship among current, voltage, Torque,speed,coil diameter,coil length of motor and if any of the above changes how other parameters get affected. Ans) The maximum torque h

Find the current in given cross-section, Q. If 6.25 X 10 18 electrons flow ...

Q. If 6.25 X 10 18 electrons flow through a given cross-section in unit time, find the current. Solution: Current I = q / t = ne / t = (6.25 X 10 18X 1.6 X 10 -19) / 1 = 1 A

How does one know which way to draw the current, Ques: In putting Kirch...

Ques: In putting Kirchoff's voltage law one draws a schematic diagram of the circuit and then indicates the current in each leg (a.k.a. branch) of the circuit. For every leg of

Evaluate the deepest he could have been, In a movie, Tarzan evades his capt...

In a movie, Tarzan evades his captors by hiding underwater for many minutes while breathing through a long , thin reed . Assuming the maximum pressure difference his lungs can mana

Evalaute the final temperature, Helium gas with a volume of 2.60 L, under a...

Helium gas with a volume of 2.60 L, under a pressure of 1.30atm and at a temperature of 41.0 degrees, is warmed until both pressure and volume are doubled. a)What is the final temp

Foil resistor, This is a new generation of resistor having very low tempera...

This is a new generation of resistor having very low temperature coefficient of resistance. A metal foil made from a special alloy is bonded on to a flat ceramic substrate. The tem

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