Oscillations and Pendulum

A 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/s2

• 3.7 m/s2

• 11.2 m/s2

• 2.5 m/s2

Tags

NGSS.HS-PS2-4

A simple pendulum is moved from the Earth to the Moon. How does it change the period of oscillations? Acceleration due to gravity on moon= 1.6 m/s2

• The period is increased by factor √6

• The period is increased by factor four

• The period is decreased by factor √6

• The period is decreased by factor four

Tags

NGSS.HS-PS2-4

A 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

A mass-spring oscillating system undergoes SHM with maximum amplitude A. If the spring constant is doubled what effect will it produce on the mechanical energy of the system?

• The energy is decreased by factor four

• It doesn’t affect the energy

• The energy is decreased by factor two

• The energy is increased by factor two

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

At which location of the mass the system has the maximum

kinetic energy?

• The kinetic energy remains constant

• Point A and B

• Only point 0

• Between 0 and A

Tags

NGSS.HS-PS2-1

When the mass reaches point x = 0 its instantaneous acceleration is?

• Maximum and positive

• Zero

• Maximum and negative

• Slightly less than maximum and negative

Tags

NGSS.HS-PS2-1

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

• 
• 
• 
• 

Tags

NGSS.HS-PS3-2

A body moves with simple harmonic motion of amplitude 0.90m and period 8.9 s. What is the speed of the body when its displacement is 0.70 m.

• 0.11 m/s

• 0.40 m/s

• 0.80 m/s

• 1.5 m/s

Tags

NGSS.HS-PS3-2

Damping is a process in which energy

• Remains constant

• Increases with time

• Decreases with time

• First decrease then increase

The waveform of simple harmonic motion is

• Sine wave

• Square wave

• Pulsed wave

• None of these

Tags

NGSS.HS-PS4-1