MCAT RT S.H.M 2022

The force applied on a body attached with a spring is directly proportional to the

• Amplitude

• Displacement

• A & B Both

• None of These

If a given spring of spring constant K is cut into three identical segments, the spring constant of each segment is

• $\frac{k}{2}$

• $\frac{k}{3}$

• 3k

• 4k

A sound wave of frequency 400 Hz is travelling in air at a speed of 320 m/s. The wave length of the wave is

• 400 m

• 0.8 m

• 320 m

• 1.25 m

Tags

NGSS.HS-PS4-1

At mean position during S.H.M.

• PE is max & KE is min

• PE is min & KE is max

• Both PE & KE are max

• Both PE & KE are min

The type of vibratory motion whose instantaneous acceleration at any distance x from the mean position is proportional to x and always directed towards the mean position is called

• Simple harmonic motion

• Torque

• Oscillatory motion

• None of these

The instantaneous velocity of mass attached to spring having amplitude x₀ executing SHM is

• $v_{o\ }=\ x_o\sqrt{1\ -\ \frac{x^2}{x_0^2}}$

• $v_{o\ }=\ x_o\sqrt{\frac{k}{m}}\sqrt{1\ +\ \frac{x^2}{x_0^2}}$

• $v_{o\ }=\ x_o\sqrt{\frac{k}{m}}\sqrt{1\ -\ \frac{x^2}{x_0^2}}$

• $v_{o\ }=\ x_o\sqrt{\frac{k}{m}}\sqrt{1\ +\ \frac{x^2}{x_0}}$

Tags

NGSS.HS-PS3-2

The time period of simple pendulum depends upon

• The time period of simple pendulum depends upon

• Material of the pendulum

• Mass of the thread

• Length of the pendulum

The frequency of the second pendulum is

• 0.5 hertz

• 1 hertz

• 1.5 hertz

• 2 hertz

Tags

NGSS.HS-PS4-1

Force responsible for vibratory motion of simple pendulum is

• $mg\ \sin\ \theta$

• $mg\ \cos\ \theta$

• Tension

• All of them

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

When a body attached with a spring has maximum displacement from its mean position. This position of the body is known as

• Extreme position

• Mean Position

• Equilibrium Position

• Initial Position