A. 105 dyne
B. 106 dyne
C. 107 dyne
D. 981 dyne
Related Mcqs:
- One Newton is equivalent to________________?
A. 1 kg-wt
B. 9.81 kg-wt
C. 981 dyne
D. 1/9.81 kg-wt - One Joule is equivalent to________________?
A. 9.81 Newton – metre
B. 1 Newton – metre
C. 1 kg wt – metre
D. 1 dyne – metre - It is observed that in a certain sinusoidal oscillation, the amplitude is linearly dependent on the frequency f. If the maximum velocity during the oscillation is V, then V must be proportional to_________________?
A. f
B. 1/f
C. 1/f2
D. f2 - If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to_________________?
A. A
B. A/2
C. A/V2
D. AV2 - Rate of change of angular momentum is equal to_______________?
A. force
B. torque
C. linear momentum
D. impulse - If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is_____________________?
A. —rad/sec 10
B. —rad/sec 20
C. —rad/sec 30
D. none of the above - The condilion for a lifting machine to be reversible is that its efficiency should be_________________?
A. less than 50%
B. more than 50%
C. more than 66.67%
D. equal to 100% - A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are____________________?
A. 1346.3 kN and 1500 kN
B. 1436.2 kN and 1250 kN
C. 1346.3 kN and 1250 kN
D. 1436.2 kN and 1500 kN - The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by__________________?
A. 1:2
B. 1:1
C. 2:1
D. 3:1 - A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first ?
A. sphere with greater rotational energy at bottom than cylinder
B. sphere with lesser rotational energy at bottom than cylinder
C. cylinder with greater rotational energy at bottom than sphere
D. both reach the bottom simultaneously with equal rotational energy at bottom