10 Questions
Which pair of forces are considered fundamental forces in nature?
Gravitational and electromagnetic forces
What is the difference between scalars and vectors?
Scalars have magnitude only, while vectors have both magnitude and direction
What is an example of an elastic collision?
Two billiard balls colliding on a frictionless table
What is the relation between linear velocity and angular velocity?
$v = r\omega$, where $v$ is linear velocity, $r$ is radius, and $\omega$ is angular velocity
Name two fundamental forces in nature.
The two fundamental forces in nature are gravity and electromagnetism.
What are the two basic characteristics of simple harmonic motion?
Periodic motion and restoring force proportional to displacement
What is a reversible process? Provide an example.
A reversible process is a thermodynamic process that can be reversed without leaving any trace on the system or its surroundings. An example is an ideal gas expanding or compressing very slowly.
Write the perfect gas equation and explain the terms.
The perfect gas equation is given by $PV = nRT$, where P is pressure, V is volume, n is the number of moles, R is the ideal gas constant, and T is the temperature in Kelvin.
Draw the position-time graph for an object with uniform motion.
The position-time graph for an object with uniform motion is a straight line with a constant slope representing constant velocity.
Define the terms amplitude, frequency, and wavelength of a wave.
The amplitude of a wave is the maximum displacement of the medium from its rest position, the frequency is the number of complete oscillations of a wave per unit time, and the wavelength is the distance between two consecutive points in a wave that are in phase.
Test your knowledge of fundamental forces, motion, collisions, angular velocity, laws of motion, and gas equations with these physics questions.
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