#1
Which of the following quantities is a vector?
Mass
Speed
Acceleration
Volume
#2
What is the formula for Newton's second law of motion?
F = ma
F = mv
F = m/v
F = m^a
#3
What is the work done by a force when the displacement of the object is perpendicular to the direction of the force?
Zero
Positive
Negative
Depends on the magnitude of the force
#4
Which of the following is a unit of torque?
Newton-meter
Joule
Watt
Pascal
#5
Which of the following quantities is a scalar?
Force
Velocity
Acceleration
Displacement
#6
What is the SI unit of force?
Kilogram-meter
Newton
Joule
Watt
#7
Which of the following equations represents Newton's third law of motion?
F = ma
F = mv
F = -F
F = -ma
#8
What is the SI unit of work and energy?
Newton-meter
Joule
Watt
Pascal
#9
What is the condition for equilibrium of an object?
Net force is zero and net torque is zero
Net force is zero or net torque is zero
Net force is non-zero and net torque is zero
Net force is zero and net torque is non-zero
#10
Which of the following statements correctly describes frictional force?
It always opposes the motion of an object
It always acts in the direction of motion
It depends only on the mass of the object
It is independent of the nature of surfaces in contact
#11
Which of the following equations represents simple harmonic motion?
y = mx + b
y = a sin(ωt)
F = ma
P = mv
#12
What is the conservation law associated with momentum?
Conservation of energy
Conservation of angular momentum
Conservation of linear momentum
Conservation of mass
#13
What is the law of universal gravitation?
Objects in motion tend to stay in motion unless acted upon by an external force.
The force of attraction between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
The rate of change of momentum of an object is directly proportional to the force applied and occurs in the direction of the force.
The pressure applied to a fluid is transmitted undiminished throughout the fluid in all directions.
#14
Which of the following is NOT a type of equilibrium?
Stable equilibrium
Neutral equilibrium
Unstable equilibrium
Static equilibrium
#15
Which of the following represents a non-conservative force?
Gravity
Friction
Tension
Normal force
#16
What does the coefficient of restitution represent in collisions?
The ratio of final velocity to initial velocity
The ratio of kinetic energy after collision to before collision
The ratio of impulse to momentum
The ratio of normal force to gravitational force
#17
What is the formula for centripetal force?
F = mv^2
F = ma
F = mω^2r
F = mg
#18
In a system where mechanical energy is conserved, what happens to the potential energy as kinetic energy increases?
Potential energy increases
Potential energy decreases
Potential energy remains constant
Potential energy becomes zero
#19
In the absence of air resistance, what can be said about the trajectory of a projectile?
It is parabolic
It is elliptical
It is a straight line
It is hyperbolic
#20
What is the principle of conservation of mechanical energy?
Mechanical energy cannot be created nor destroyed, only transferred or transformed.
The rate of change of momentum of an object is directly proportional to the force applied and occurs in the direction of the force.
The pressure applied to a fluid is transmitted undiminished throughout the fluid in all directions.
For every action, there is an equal and opposite reaction.
#21
Which of the following is true about an object in uniform circular motion?
The net force acting on the object is zero
The speed of the object is constant
The acceleration of the object is directed towards the center of the circle
All of the above
#22
What is the term for the point in a system where pressure is the same in all directions?
Stable equilibrium
Neutral equilibrium
Unstable equilibrium
Hydrostatic equilibrium