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Mechanical Properties Of Fluids

Question

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Why do the thick glass tumblers crack on pouring hot liquid into them?

Solution

Glass is a bad conductor of heat. Therefore, when hot liquid is poured into thick tumbler, inner side of glass expands while outer side remains the same.
Therefore, due to unequal expansions of inner and outer sides, the tumbler cracks.

Some More Questions From Mechanical Properties of Fluids Chapter

What is the condition for motion to be simple harmonic motion?

In the displacement equation y = r sin(ωt/ + ϕ) what does ϕ called and what information does it give?

What determines the natural frequency of an oscillator?

Is there any relation between uniform circular motion and simple harmonic motion?

What is periodic motion?

Write down the expression for the instantaneous velocity and acceleration of particle vibrating in simple harmonic motion.

How do you define the mean position of particle executing simple harmonic motion?

Define amplitude.

What is the net displacement of the particle executing simple harmonic motion in one complete oscillation?

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