Mechanical Engineering :: Engineering Mechanics
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Which of the following statement is correct?
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The maximum efficiency of a screw jack is
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In a framed structure, as shown in the below figure, the force in the member AC is numerically equal to the force in member BC.
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The force which acts along the radius of a circle and directed towards the centre of the circle is known as centripetal force.
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Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is
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A.
The kinetic energy of a body during impact remains constant. |
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B.
The kinetic energy of a body before impact is equal to the kinetic energy of a body after impact. |
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C.
The kinetic energy of a body before impact is less than the kinetic energy of a body after impact. |
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D.
The kinetic energy of a body before impact is more than the kinetic energy of a body after impact. |
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