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Revise smart, understand Better

Dynamics: Newton’s Laws of Motion
ELECTRICITY: Current
ELECTRICITY: Current
ELECTRICITY: Resistance
Elasticity
Electric fields
Electromagnetism
Electromagnetism
Energy: Application And Uses
Experimental physics
Forces
Gravitational fields
Heat
Kinematics in Two Dimensions: Vectors, projectiles
Kinematics in one dimension
Linear Momentum
MOTION
MOTION
MOTION
MOTION
MOTION
MOTION: Circular
MOTION: Collision
MOTION: Inclined plane
MOTION: Simple harmonic motion (SHM)
Magnetism
Optics
PLASTICS
PRESSURE
Radioactivity
TEMPERATURE
The Laws of Thermodynamics
Units System
Units System
Units, dimensions and homogeneity
WAVES: Electromagnetic
WAVES: Electromagnetic
WAVES: Sound

5/32 MCQs for:

MOTION: Simple harmonic motion (SHM)

When the mass of a simple pendulum is tripled, the time required for one complete vibration:

Does not change.

Increases by a factor of 3.

Decreases to one-third of its original value.

Decreases to 1/ 3 of its original value.

A mass is attached to a vertical spring and bobs up and down between points A and B. Where is the mass located when its potential energy is a minimum?

One-fourth of the way between A and B.

None is correct.

Midway between A and B.

At either A or B.

A mass is attached to a spring of spring constant 60 N/m along a horizontal, frictionless surface. The spring is initially stretched by a force of 5.0 N on the mass and let go. It takes the mass 0.50 s to go back to its equilibrium position when it is oscillating. What is the amplitude?

0.083 m.

0.030 m.

0.30 m.

0.83 m.

What is the spring constant of a spring that stretches 2.00 cm when a mass of 0.600 kg is suspended from it?

0.300 N/m

294N/m.

2.94 N/m.

30.0 N/m.

What happens to a simple pendulum's frequency if both its length and mass are increased?

It could remain constant, increase, or decrease; it depends on the length to mass ratio.

It decreases.

It remains constant.

It increases.