A force that acts to return the mass to it's equilibrium position is called
A) frictional force
B) restoring force
C) normal force
D) contact force
Correct Answer:
Verified
Q15: Maximum displacement from equilibrium position is
A)frequency
B)amplitude
C)wavelength
D)period
Q16: Displacement-time graph depicting an oscillatory motion is
A)cos
Q17: In s.h.m, velocity at equilibrium position is
A)minimum
B)constant
C)maximum
D)zero
Q18: Natural frequency of a guitar string can
Q19: Over-damping results in
A)slower return to equilibrium
B)faster return
Q20: Our eyes detect the oscillations up to
A)8
Q21: For s.h.m, maximum speed is proportional to
A)wavelength
B)acceleration
C)time
D)frequency
Q23: In cars, springs are damped by
A)shock absorbers
B)engine
C)tyres
D)brake
Q24: If time period of an oscillation is
Q25: As amplitude of resonant vibrations decreases, degree
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