Mechanical Quiz
What state the first law of Thermodynamics?
Conservation of Energy
Conservation of Mass
Conservation of Momentum
Conservation of Charge
Every material obeys the Hooke’s law within
Elastic limit
Plastic limit
Limit of proportionality
None of these
If a body is moving in a straight line then net force acting on it is
Constant
Increasing
Decreasing
Zero
The term inertia means which of the following? The tendency of an object to
Maintain its mass.
Remain in motion.
Remain in rest or motion.
Stop the motion of other objects.
What is the reading on the Vernier Scale?
260
150
165
700
If a material has identical properties in all directions, it is called
Elastic
Plastic
Isotropic
Homogeneous
What happens to the gravitational force between two objects if their separation is doubled? The force of attraction is
Doubled.
The same.
Half as much.
One fourth as much.
Indeterminate structures have number of unknown quantities _________ available conditions of equilibrium.
Equal to
Less than
More than
None of the above
In a simple spring-mass system, stability with oscillations is obtained when the differential equation laplace transform have..?
Positive roots
Negative roots
Imaginary positive roots
Imaginary negative roots
If two masses 5.2 kg and 4.8 kg are attached to ends of inextensible strings passed over a frictionless pulley then acceleration of system is
0.7 ms-2
0.4 ms-2
0.5 ms-2
1 ms-1
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