#1
Which of the following is a scalar quantity?
Velocity
Force
Mass
Acceleration
#2
What is the SI unit of force?
#3
What is the formula for calculating kinetic energy?
KE = 1/2 * mv^2
KE = mgh
KE = Fd
KE = P/t
#4
Which of the following quantities is a vector quantity?
Speed
Distance
Temperature
Displacement
#5
Which law of motion states that every object will remain at rest or in uniform motion unless acted upon by an external force?
Newton's First Law
Newton's Second Law
Newton's Third Law
Law of Gravitation
#6
A ball is thrown vertically upwards. At the highest point of its motion, the velocity of the ball is:
Minimum
Maximum
Zero
Constant
#7
Which of the following equations represents Newton's second law of motion?
F = ma
F = mv
F = m/v
F = m + a
#8
What is the work done by a force when the displacement of an object is perpendicular to the direction of the force?
Zero
Positive
Negative
Infinity
#9
Which of the following statements defines inertia?
The tendency of an object to resist a change in motion
The force experienced by a moving object
The force required to maintain motion
The speed of an object in motion
#10
What is the acceleration due to gravity near the surface of the Earth?
9.8 m/s^2
5.8 m/s^2
7.2 m/s^2
11.3 m/s^2
#11
Which of the following is a unit of torque?
Joule
Newton
Watt
Newton-meter
#12
Which of the following is a conservative force?
Frictional force
Normal force
Tension force
Gravitational force
#13
Which of the following statements is true regarding elastic collisions?
Kinetic energy is conserved
Momentum is not conserved
Total energy is not conserved
Objects stick together after collision
#14
What is the principle of conservation of momentum?
The total momentum of a closed system remains constant if no external forces act on it
The total momentum of an open system remains constant regardless of external forces
The total momentum of a system decreases over time
The total momentum of a system increases over time
#15
Which of the following is a non-inertial frame of reference?
Frame fixed to the surface of the Earth
Frame moving at a constant velocity
Frame accelerating uniformly
Frame in deep space with no external forces
#16
Which of the following is true regarding Newton's third law of motion?
For every action, there is an equal and opposite reaction
An object will accelerate if acted upon by an external force
Objects with larger masses have larger accelerations
The velocity of an object remains constant if no net force acts on it
#17
Which law of thermodynamics states that energy cannot be created or destroyed, only transformed from one form to another?
Zeroth Law
First Law
Second Law
Third Law
#18
Which of the following statements is true regarding the center of mass?
It always coincides with the geometric center of an object
It depends on the shape and mass distribution of the object
It remains fixed in space
It is not affected by external forces