1 A mass on a spring undergoes SHM. The maximum displacement from the equilibrium is called?

Transcription

1 Slide 1 / 20 1 mass on a spring undergoes SHM. The maximum displacement from the equilibrium is called? Period Frequency mplitude Wavelength Speed

2 Slide 2 / 20 2 In a periodic process, the number of cycles per unit of time is called? Period Frequency mplitude Wavelength Speed

3 Slide 3 / 20 3 In a periodic process, the time required to complete one cycle is called? Period Frequency mplitude Wavelength Speed

4 Slide 4 / 20 4 mass undergoes SHM. When the mass reaches point x = + its instantaneous velocity is? Maximum and positive Maximum and negative Zero Less than maximum and positive Less than maximum and negative

5 Slide 5 / 20 5 mass undergoes SHM. When the mass reaches point x = 0 its instantaneous velocity is? Maximum and can be positive or negative onstant and doesn t depend on the location Zero Slightly less than maximum and positive Slightly less than maximum and negative

6 Slide 6 / 20 6 mass undergoes SHM. When the mass reaches point x = + its instantaneous acceleration is? Maximum and positive Maximum and negative Zero Slightly less than maximum and positive Slightly less than maximum and negative

7 Slide 7 / 20 7 mass undergoes SHM. When the mass reaches point x = 0 its instantaneous acceleration is? Maximum and positive Maximum and negative Zero Slightly less than maximum and positive Slightly less than maximum and negative

8 Slide 8 / 20 8 t which location of the mass the system has the maximum kinetic energy? Only point Only point Only point 0 Point and The kinetic energy remains constant

9 Slide 9 / 20 9 t which location of the mass the system has the maximum elastic potential energy? Only point Only point Only point 0 Point and The potential energy remains constant

10 Slide 10 / mass-spring oscillating system undergoes SHM with maximum amplitude. If the amplitude is doubled what effect will it produce on the mechanical energy of the system? The energy is increased by factor two The energy is increased by factor four The energy is decreased by factor two The energy is decreased by factor four It doesn t affect the energy

11 Slide 11 / mass-spring oscillating system undergoes SHM with maximum amplitude. If the spring constant is doubled what effect will it produce on the mechanical energy of the system? The energy is increased by factor two The energy is increased by factor four The energy is decreased by factor two The energy is decreased by factor four It doesn t affect the energy

12 Slide 12 / n object with a mass M is suspended from an elastic spring with a spring constant k. The object oscillates with maximum amplitude. If the amplitude of oscillations is doubled, how it will change the period of oscillations? The period is increased by factor two The period is increased by factor four The period is decreased by factor two The period is decreased by factor four The period remains the same

13 Slide 13 / n object with a mass M is suspended from an elastic spring with a spring constant k. The object oscillates with period T. If the mass of oscillations is quadrupled, how it will change the period of oscillations? The period is increased by factor two The period is increased by factor four The period is decreased by factor two The period is decreased by factor four The period remains the same

14 Slide 14 / n object with a mass M is suspended from an elastic spring with a spring constant k. The object oscillates with period T on the surface of arth. If the oscillating system is moved to the surface of Moon, how it will change the period of oscillations? The period is increased by factor The period is increased by factor four The period is decreased by factor The period is decreased by factor four The period remains the same

15 Slide 15 / mass M suspended from a string L undergoes SHM. Which of the following is true about the period of oscillations? The period increases with increasing amplitude The period increases with increasing mass The period increases with decreasing length The period increases with increasing length The period doesn t depend on acceleration due to gravity

16 Slide 16 / simple pendulum is moved from the arth to the Moon. How does it change the period of oscillations? (cceleration due to gravity on moon= 1.6 m/s 2 ) The period is increased by factor The period is increased by factor four The period is decreased by factor The period is decreased by factor four The period remains the same

17 Slide 17 / The length of a simple pendulum oscillating with a period T is quadrupled, what is the new period of oscillations in terms of T? 2 T 4 T T T T

18 Slide 18 / simple pendulum has a period of 1 s. What is the length of the string? 1 m 2 m 4 m m m

19 Slide 19 / simple pendulum with a length of 1 m oscillates on the surface of a hypothetical planet X. What is the surface gravity on the planet if the period of oscillations is 4 s? 1.6 m/s m/s m/s m/s m/s 2

20 Slide 20 / mass-spring oscillating system undergoes SHM. Which of the following graphs represents the elastic potential energy as a function of position?