Question

a crowbar 2metre long is pivoted at 0.1 metre from its tip.calculate the least force must be applied at the other end to displace a load of 100 kgf

Answer 1

a phenomenon in which a vibrating system or external force drives another system to oscillates with greater amplitude at specific frequencies. Amplitude resonance can be the amplitude at resonance, atresonance ,amplitude is maximum Andvelocity resonance can be the velocityat resonance.