
Mechanical Properties of Solids Quiz 4
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Popular Questions In Mechanical Properties of Solids Quiz 4
If work done in stretching a wire by 1 mm is 2 J, the work necessary for stretching another wire of same material, but with double the radius and half the length by 1 mm in joule is
When the load on a wire is slowly increased from 3 to 5 kg wt, the elongation increases from 0.61 to 1.02 mm. The work done during the extension of wire is
A body lies on a table. Its weight is balanced by the ___.
The friction that exists between the surface of two bodies in contact when one body is sliding over the other, is called ___.
Limiting force of static friction does NOT depend on
In case of coefficient of static friction ( ), kinetic friction ( ) and rolling friction ( ), which of the following relation is true
A body of weight 50 N is placed on a smooth surface. If the force required to move the body on the surface is 30 N, the coefficient of friction is
A wooden block of 50 kg is at rest on the table. A force of 70 N is required to just slide the block. The coefficient of static friction is
When a block of mass M is suspended by a long wire of length L, the length of the wire becomes (L + l). The elastic potential energy stored in the extended wire is:
A steel wire having a radius of 2.0 mm, carrying a load of 4 kg, is hanging from a ceiling. Given that g = , What will be the tensile stress that would be developed in the wire ?