A simple pendulum of length 1 has an energy E when its amplitude is A. If its amplitude is increased to 2 A, the energy becomes____________________?
B. E/2
C. 2E
D. 4E(Correct)
B. E/2
C. 2E
D. 4E(Correct)
B. E/2
C. 2E
D. 4E(Correct)
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A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is___________________?
A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is___________________? A. 1.00 m/sec
B. 1.57 m/sec
C. 3.14 m/sec(Correct)
D. 6.28 m/secForce polygon method is applicable for_____________________?
Force polygon method is applicable for_____________________? A. any copianar force system
B. a system of parallel forces only
C. concurrent copianar force system(Correct)
D. non-concurrent copianar force systemCoefficient of friction depends on__________________?
Coefficient of friction depends on__________________? A. nature of surfaces only(Correct)
B. area of contact only
C. both (A) and (B)
D. none of the aboveOne Joule is equivalent to________________?
One Joule is equivalent to________________? A. 9.81 Newton – metre
B. 1 Newton – metre(Correct)
C. 1 kg wt – metre
D. 1 dyne – metre