#1
Which of the following is a scalar quantity?
Force
Velocity
Mass
Acceleration
#2
What is the definition of momentum in classical mechanics?
Force multiplied by time
Mass multiplied by acceleration
Energy divided by velocity
Velocity multiplied by mass
#3
What is Hooke's Law related to in classical mechanics?
Fluid dynamics
Elasticity
Thermodynamics
Optics
#4
What is the relation between the linear velocity and angular velocity of a point on a rotating object?
Linear velocity = Angular velocity × Radius
Linear velocity = Angular velocity / Radius
Linear velocity = Angular velocity + Radius
Linear velocity = Radius / Angular velocity
#5
What is the relationship between the period and frequency of a harmonic oscillator?
Period = 1 / Frequency
Period = Frequency
Period = 2π / Frequency
Period = Frequency / 2π
#6
What is the relationship between force, mass, and acceleration in Newton's second law of motion?
Force = mass × acceleration
Force = mass / acceleration
Force = acceleration / mass
Force = mass + acceleration
#7
In projectile motion, what is the path followed by a projectile under the influence of gravity alone?
Straight line
Circle
Ellipse
Parabola
#8
What is the condition for an object to be in equilibrium under the influence of multiple forces?
The net force acting on the object is zero
The net torque acting on the object is zero
The object must be at rest
The object must have constant velocity
#9
In a simple harmonic motion, what does the amplitude represent?
Frequency
Maximum displacement from equilibrium
Period
Velocity
#10
Which of the following is a fundamental force in nature responsible for holding atomic nuclei together?
Gravitational force
Electromagnetic force
Weak nuclear force
Strong nuclear force
#11
What is the center of mass of an object?
The geometric center of the object
A point where mass is concentrated
A point that always remains at rest
A point with zero mass
#12
What is the work-energy theorem in classical mechanics?
Work equals force times distance
Energy equals force times distance
The net work done on an object is equal to its change in kinetic energy
Energy equals mass times acceleration
#13
What is the rotational analog of mass in rotational dynamics?
Moment of inertia
Angular velocity
Angular acceleration
Torque
#14
What is Kepler's second law of planetary motion?
The square of the orbital period is proportional to the cube of the semi-major axis
A line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time
All planets move in elliptical orbits with the Sun at one focus
The closer a planet is to the Sun, the faster it orbits
#15
According to the principle of conservation of angular momentum, what happens when a spinning ice skater pulls in their arms?
Angular momentum decreases
Angular velocity increases
Angular momentum remains constant
Angular acceleration occurs
#16
In classical mechanics, what does the term 'inertia' refer to?
Resistance to motion
Force of gravity
Frictional force
Net force acting on an object
#17
What is the principle behind a lever in mechanics?
Archimedes' principle
Pascal's principle
Torque
Law of moments