Related Questions

The tendency of a body to resist change from rest or motion is known as
A Mass
B Friction
C Inertia
D Resisting force
The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
A $$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$
B $$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$
C $$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$
D $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
A body of mass ‘m’ moving with a constant velocity ‘v’ strikes another body of same mass moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is
A v
B 2v
C 4v
D 8v
The velocity of a particle (v) moving with simple harmonic motion, at any instant is given by (where, r = Amplitude of motion and y = Displacement of the particle from mean position.)
A $$\omega \sqrt {{{\text{y}}^2} - {{\text{r}}^2}} $$
B $$\omega \sqrt {{{\text{r}}^2} - {{\text{y}}^2}} $$
C $${\omega ^2}\sqrt {{{\text{y}}^2} - {{\text{r}}^2}} $$
D $${\omega ^2}\sqrt {{{\text{r}}^2} - {{\text{y}}^2}} $$
For a body moving with simple harmonic motion, the number of cycles per second, is known as its
A Oscillation
B Amplitude
C Periodic time
D Frequency
The inherent property of a body which offers reluctance to change its state of rest or uniform motion, is
A Weight
B Mass
C Inertia
D Momentum
If ‘P’ is the force acting on the body, ‘m’ is the mass of the body and ‘a’ is the acceleration of the body, then according to Newton's second law of motion,
A P + ma = 0
B P - ma = 0
C P × ma = 0
D $$\frac{{\text{P}}}{{{\text{ma}}}} = 0$$
Proximate Cause refer to the _________ cause which set in motion a chain of events producing loss.
A Active
B Efficient
C A & B are correct
D None of the above
The velocity of a body moving with simple harmonic motion is __________ at the mean position.
A Zero
B Minimum
C Maximum
D None of these
Periodic time of body moving with simple harmonic motion, is
A Directly proportional to its angular velocity
B Directly proportional to the square of its angular velocity
C Inversely proportional to the square of its angular velocity
D Inversely proportional to its angular velocity

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