Register
1 Explain why a the metal lid on a glass jam jar can be unscrewed easilyif the jar is inverted for a few seconds with the lid in very hot water,​
79.5k views
5 votes
1 Explain why

a the metal lid on a glass jam jar can be unscrewed easilyif the jar is inverted for a few seconds with the lid in very hot water,​

User Camikiller
by
5.2k points

1 Answer

4 votes

Answer:

If we assume it is your average glass pickle-jar with a metal top than heating up the jar will loosen the lid because the metal conducts more heat than the glass. ... As the lid loosens the normal force the glass produces to push back on the lid is decreased so the Frictional force is lowered.

Step-by-step explanation:

User Ojchase
by
4.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.6m questions

7.3m answers

Other Questions

Which is an example of a human activity harming a renewable resource? using solar panels using wind power polluting a river planting trees
A wind that blows from the southwest across the indian ocean toward south asia from june through september is a _____.
Which trace fossils are created when a worm travels through the soil and the impression is filled with hardened sediment?a.coprolitesb.tracks and trailsc.molds and castsd.burrows and borings?
What natural resource plays the largest role in the economies of the persian gulf countries?
Which bodies are composed primarily of rock and metal? A) comets and stars B) stars and meteors C) comets and asteroids D) asteroids and meteors
Link Copied!