#1
What is the SI unit of force?
#2
Which of the following is not a fundamental force in nature?
Gravity
Electromagnetic force
Friction
Strong nuclear force
#3
Which law of motion is also known as the law of inertia?
Newton's First Law
Newton's Second Law
Newton's Third Law
None of the above
#4
What is the relationship between force, mass, and acceleration according to Newton's Second Law?
Force = Mass * Acceleration
Acceleration = Force / Mass
Mass = Force / Acceleration
Acceleration = Mass * Force
#5
What is the unit of torque?
Newton-meter
Watt
Joule
Pascal
#6
Which law of motion explains the behavior of an object in equilibrium?
Newton's First Law
Newton's Second Law
Newton's Third Law
Newton's Law of Universal Gravitation
#7
What is the unit of impulse?
Newton-second
Newton-meter
Newton-kilogram
Newton-per-second
#8
What is the acceleration due to gravity on the surface of Earth?
9.8 m/s²
10.0 m/s²
9.0 m/s²
8.0 m/s²
#9
Which of the following is NOT a vector quantity?
Velocity
Mass
Acceleration
Force
#10
What is the law that states that for every action, there is an equal and opposite reaction?
Newton's First Law
Newton's Second Law
Newton's Third Law
Hooke's Law
#11
Which of the following is a measure of an object's resistance to changes in its rotational motion?
#12
What is the formula for calculating momentum?
Force / Time
Mass * Acceleration
Mass * Velocity
Mass / Velocity
#13
Which of the following is NOT a conservative force?
Gravity
Friction
Spring force
Magnetic force
#14
What does the term 'terminal velocity' refer to?
The maximum velocity an object can attain in free fall
The velocity at which an object reaches its lowest point in a trajectory
The velocity of an object when air resistance balances its weight
The velocity of an object at rest
#15
Which of the following is NOT a type of friction?
Static friction
Kinetic friction
Rolling friction
Centripetal friction
#16
What is the formula for gravitational force between two objects?
F = G * (m1 + m2) / r^2
F = G * m1 * m2 / r^2
F = G * (m1 - m2) / r^2
F = G * m1 / r^2
#17
What is the work-energy theorem?
The work done by an external force is equal to the change in kinetic energy
The work done by an external force is equal to the change in potential energy
The work done by an internal force is equal to the change in kinetic energy
The work done by an internal force is equal to the change in potential energy
#18
What does Hooke's Law describe?
The force required to deform a material
The relationship between force and acceleration
The force required to change an object's velocity
The force exerted by a spring is directly proportional to its displacement
#19
What is the formula for gravitational potential energy?
PE = mgh
PE = 1/2 * mv^2
PE = -G * m1 * m2 / r
PE = -G * m1 * m2 / r^2
#20
What is the law of conservation of energy?
Energy cannot be created or destroyed, only transformed from one form to another
Energy decreases with time
Energy increases with time
Energy is directly proportional to mass
#21
What is the center of mass?
The point where an object's weight is concentrated
The point where an object's mass is concentrated
The point where the net force acting on an object is zero
The point where an object's volume is concentrated
#22
What is the relationship between torque, force, and distance from the pivot point?
Torque = Force * Distance
Torque = Force / Distance
Torque = Force + Distance
Torque = Force - Distance
#23
In a system with constant velocity, what is the net force acting on the system?
Zero
Positive
Negative
Variable
#24
What is the principle behind the conservation of angular momentum?
Angular momentum remains constant in the absence of external torque
Angular momentum increases with time
Angular momentum decreases with time
Angular momentum is dependent on velocity
#25
Which of the following is an example of a non-inertial frame of reference?
A car moving at a constant velocity
A spaceship accelerating in deep space
A train moving at a constant speed on a straight track
A merry-go-round spinning at a constant rate