#1
Which of the following best describes Newton's first law of motion?
An object at rest tends to stay at rest, and an object in motion tends to stay in motion unless acted upon by an external force.
The force acting on an object is equal to the mass of the object multiplied by its acceleration.
For every action, there is an equal and opposite reaction.
The total energy of an isolated system remains constant over time.
#2
What is the SI unit of force?
#3
What happens to an object's velocity when the net force acting on it is zero?
It increases
It decreases
It remains constant
It becomes undefined
#4
What is inertia?
The tendency of an object to resist changes in its velocity.
The force exerted by an object in motion.
The energy stored in an object due to its position.
The acceleration experienced by an object due to gravity.
#5
What is the formula to calculate momentum?
Momentum = mass * velocity
Momentum = force / time
Momentum = acceleration * time
Momentum = mass / velocity
#6
Which of the following statements is true regarding Hooke's Law?
It describes the relationship between kinetic friction and the normal force.
It states that the force exerted by a spring is inversely proportional to its displacement.
It relates the pressure of a gas to its volume.
It quantifies the relationship between velocity and acceleration.
#7
A car accelerates from rest at a rate of 2 m/s² for 5 seconds. What is its final velocity?
#8
Which of the following equations represents Newton's second law of motion?
F = m * a
F = m / a
F = m + a
F = m - a
#9
What is the relationship between force, mass, and acceleration according to Newton's second law?
Force is directly proportional to mass and inversely proportional to acceleration.
Force is directly proportional to acceleration and inversely proportional to mass.
Force is directly proportional to mass and acceleration.
Force is inversely proportional to mass and acceleration.
#10
Which of the following scenarios best demonstrates balanced forces?
A book sliding across a table at a constant speed.
A ball accelerating downward due to gravity.
A car decelerating while applying brakes.
A rocket launching into space.
#11
Which of the following statements is true regarding friction?
Friction always opposes motion.
Friction always assists motion.
Friction is independent of the surfaces in contact.
Friction depends only on the weight of the object.
#12
What does the term 'terminal velocity' refer to?
The maximum speed an object can reach when falling through a fluid.
The velocity of an object when it first starts moving.
The speed of an object at the beginning of its motion.
The velocity of an object at rest.
#13
When an object is in free fall near the surface of the Earth, what is the magnitude of its acceleration?
10 m/s²
5 m/s²
9.8 m/s²
11 m/s²
#14
What is the net force acting on an object in equilibrium?
Zero
Equal to the gravitational force
Equal to the normal force
Equal to the applied force
#15
Which of the following is an example of non-contact force?
Friction
Gravity
Tension
Magnetic force
#16
Which of the following is an example of projectile motion?
A car driving along a straight road.
A stone thrown horizontally off a cliff.
A boat sailing against the current of a river.
A cyclist riding uphill.
#17
What is centripetal force?
A force that acts to pull objects toward the center of a circle.
A force that causes an object to move in a straight line.
A force that opposes the motion of an object through a fluid.
A force that results from the rotation of the Earth.
#18
Which of the following statements is true about kinetic friction?
It is always greater than static friction.
It opposes the motion of an object in motion.
It is independent of the relative speed between surfaces.
It is easier to overcome than static friction.