Mechanical Properties of Solids questions
395 published questions with worked solutions.
- Two wires of equal lengths are made of the same material. Wire A has a diameter that is twice that of wire B. If identical...
- A wire of length 2 m is made from 10 cm^3 of copper. A force F is applied so that its length increases by 2 mm. Another wire of...
- Which of the following affects the elasticity of a substance? [AIIMS 1999]
- A and B are two wires. The radius of A is twice that of B. They are stretched by the same load. Then the stress on B is [MP PMT...
- A weight of 200 kg is suspended by a vertical wire of length 600.5 cm. The area of cross-section of the wire is 1 mm^2. When the...
- A force F is needed to break a copper wire having radius R. The force needed to break a copper wire of radius 2R will be
- On applying a stress of 20 10^8 N/m^2 the length of a perfectly elastic wire is doubled. Its Young's modulus will be [MP PET 2000]
- A copper wire and a steel wire of the same diameter and length are connected end to end, and a force is applied, which stretches...
- Two copper wires having length in the ratio 4:1 and radii in the ratio 1:4 are stretched by the same force. The ratio of...
- A steel wire 1 m long, 1 mm^2 cross-section area, is hung from a rigid end. When a weight of 1 kg is hung from it, the change in...
- The length of a wire is 1.0 m and the area of cross-section is 1.0 10^ -2 cm^2. If the work done for increase in length by 0.2 cm...
- The Young's modulus of a rubber string 8 cm long, of density 1.5 kg ,m^ -3 (as given) is 5 10^8 N/m^2, is suspended on the...
- A rubber cord catapult has cross-sectional area 25 mm^2 and initial length of rubber cord is 10 cm. It is stretched by 5 cm and...
- A load W produces an extension of 1 mm in a thread of radius r. Now if the load is made 4W and the radius is made 2r, all other...
- Steel and copper wires of the same length are stretched by the same weight, one after the other. Young's modulus of steel and...
- The Young's modulus of a wire of length L and radius r is Y N/m^2. If the length and radius are reduced to L/2 and r/2, its...
- The Young's modulus of the material of a wire is equal to the [Kerala PMT 2009]
- The breaking stress of a wire depends upon [AIIMS 2002]
- On increasing the length by 0.5 mm in a steel wire of length 2 m and area of cross-section 2 mm^2, the force required is [Y for...
- Under elastic limit the stress is [MH-CET 1999, K CET 1999]
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