#1
Which of the following is a scalar quantity?
Force
Velocity
Mass
Acceleration
#2
What is the SI unit of force?
#3
Which of the following is NOT a type of friction?
Static friction
Dynamic friction
Air friction
Rolling friction
#4
What is the relationship between force and acceleration, as stated in Newton's Second Law?
F = ma
F = mv
F = m/a
F = m + a
#5
What is the principle of conservation of energy?
Energy cannot be created or destroyed; it can only be transformed from one form to another
Energy increases with time
Energy decreases with time
Energy is only conserved in mechanical systems
#6
Which of the following is a vector quantity?
Speed
Distance
Time
Displacement
#7
What is the formula to calculate pressure?
P = Fd
P = F/A
P = mg
P = Fr
#8
What is the net force acting on an object in equilibrium?
Zero
Infinity
Depends on the object's mass
Depends on the object's velocity
#9
Which of the following laws states that every object continues in its state of rest or uniform motion in a straight line unless acted upon by a net external force?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Law of Universal Gravitation
#10
What is the formula to calculate gravitational force between two objects?
F = G * m1 * m2 / r
F = m * a
F = P * A
F = μ * N
#11
What is the unit of measurement for momentum?
Joule
Kilogram-meter per second
Newton
Meter per second squared
#12
What does the term 'inertia' refer to in mechanics?
The tendency of an object to resist a change in its motion
The tendency of an object to accelerate
The force exerted by an object on another object
The velocity of an object
#13
What is the formula to calculate work done?
W = Fd
W = F/A
W = mg
W = ρVg
#14
Which of the following is an example of a non-conservative force?
Gravity
Friction
Spring force
Tension
#15
What is the formula to calculate kinetic energy?
E = mc²
E = 1/2 mv²
E = Fd
E = mgh
#16
Which of Newton's laws describes action and reaction forces?
First Law
Second Law
Third Law
Fourth Law
#17
What does Hooke's Law describe?
The relationship between mass and acceleration
The behavior of gases under constant volume
The relationship between force and displacement in a spring
The conservation of energy in mechanical systems
#18
Which of the following is a statement of the law of conservation of momentum?
The total momentum of a closed system is constant
The total force acting on an object is equal to its mass times acceleration
The acceleration of an object is directly proportional to the net external force acting on it
The work done on an object is equal to the change in its kinetic energy
#19
What does the term 'moment of inertia' represent?
The resistance of an object to change its state of motion
The rotational analogue of mass in linear motion
The rate of change of angular velocity
The force experienced by a rotating object
#20
Which of the following is a non-inertial reference frame?
An elevator at rest
A car moving at a constant velocity
A spinning top
A train accelerating uniformly