A rod of mass m, length l, area of cross section a and modulus Y is rotating about an axis passing through one of its end perpendicular to its length with angular velocity ω. Find the strain at the center of the rod.

1) (mω²L)/(4AY)

2) (3mω²L)/(4AY)

3) (mω²L)/(8AY)

4) (3mω²L)/(8AY)

Question

A rod of mass m, length l, area of cross section a and modulus Y is rotating about an axis passing through one of its end perpendicular to its length with angular velocity ω. Find the strain at the center of the rod.

1) (mω²L)/(4AY)

2) (3mω²L)/(4AY)

3) (mω²L)/(8AY)

4) (3mω²L)/(8AY)

SAGAR SINGH - IIT DELHI · Answer

Dear pratik,

The correct answer is 3)

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A rod of mass m, length l, area of cross section a and modulus Y is rotating about an axis passing through one of its end perpendicular to its length with angular velocity ω. Find the strain at the center of the rod. 1) (mω 2 L)/(4AY) 2) (3mω 2 L)/(4AY) 3) (mω 2 L)/(8AY) 4) (3mω 2 L)/(8AY)

A rod of mass m, length l, area of cross section a and modulus Y is rotating about an axis passing through one of its end perpendicular to its length with angular velocity ω. Find the strain at the center of the rod.

1) (mω²L)/(4AY)

2) (3mω²L)/(4AY)

3) (mω²L)/(8AY)

4) (3mω²L)/(8AY)

1 Answers

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A rod of mass m, length l, area of cross section a and modulus Y is rotating about an axis passing through one of its end perpendicular to its length with angular velocity ω. Find the strain at the center of the rod. 1) (mω 2 L)/(4AY) 2) (3mω 2 L)/(4AY) 3) (mω 2 L)/(8AY) 4) (3mω 2 L)/(8AY)

A rod of mass m, length l, area of cross section a and modulus Y is rotating about an axis passing through one of its end perpendicular to its length with angular velocity ω. Find the strain at the center of the rod. 1) (mω2L)/(4AY) 2) (3mω2L)/(4AY) 3) (mω2L)/(8AY) 4) (3mω2L)/(8AY)

1 Answers

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A rod of mass m, length l, area of cross section a and modulus Y is rotating about an axis passing through one of its end perpendicular to its length with angular velocity ω. Find the strain at the center of the rod.

1) (mω²L)/(4AY)

2) (3mω²L)/(4AY)

3) (mω²L)/(8AY)

4) (3mω²L)/(8AY)