shm

Question 1

Free vibration/ oscillation def

Answer 1

a type of vibration in which a force is applied once and the structure or part is allowed to vibrate at its natural frequency.

Question 2

Phase difference in radians equation

Answer 2

Question 3

How many rad is 360 degrees

Answer 3

2 pi rad

Question 4

Equation linking spring Konstant, w and mass

Answer 4

Question 5

Equation linking potential energy in SMH with displacement

Answer 5

Question 6

Light damping def

Answer 6

Light damping occurs when the resistive forces acting are small – many oscillations occur but the time period stays constant as the amplitude falls

Question 7

Critical damping def

Answer 7

Critical damping is just enough to stop the system oscillating after it has been displaced from equilibrium and released. The oscillating system returns to equilibrium in the shortest amounts of time.

Question 8

Heavy damping def

Answer 8

a type of damping where the body attains its equilibrium gradually without any oscillation. Example: damper used in doors.

Question 9

How many energy transfer cycles does one oscillation have

Answer 9

2 cycles

Question 10

SHM def

Answer 10

Repetitive movement back and forth from an equilibrium position, where acceleration is proportional to and in opposite direction to the displacement.