Question

Why are the two ends of a long bridge generally kept on a trolley?

Solution

Bridges expand or contract due to the change in temperature. Therefore, if bridges are placed on trolley as shown, it will allow the bridge to expand or contract easily without setting up any strain.

Some More Questions From Mechanical Properties of Fluids Chapter

What is an oscillatory motion?

What is time period?

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Mechanical Properties Of Fluids

Why are the two ends of a long bridge generally kept on a trolley?

Some More Questions From Mechanical Properties of Fluids Chapter

What is an oscillatory motion?

What is time period?

Define frequency.

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.

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