Newton’s first law of motion is also known as:
A) Law of momentum
B) Law of action
C) Law of inertia
D) Law of force
Which of the following is an example of Newton’s third law?
A) A ball rolling on the ground
B) A person walking on the ground
C) A car accelerating
D) A satellite orbiting Earth
The unit of force is:
A) Joule
B) Newton
C) Watt
D) Pascal
What does Newton’s second law of motion state?
A) Force is equal to mass times velocity
B) Force is equal to mass times acceleration
C) Force is equal to mass divided by acceleration
D) Force is independent of acceleration
Which of the following is a correct representation of Newton’s third law of motion?
A) F = ma
B) Every action has an equal and opposite reaction
C) The net force acting on an object is zero
D) Energy can neither be created nor destroyed
What is the SI unit of acceleration?
A) Meter per second squared
B) Meter per second
C) Kilometer per hour
D) Newton
When a car suddenly stops, passengers move forward due to:
A) Gravitational force
B) Centripetal force
C) Inertia
D) Friction
Which of the following forces is a non-contact force?
A) Tension
B) Friction
C) Gravitational force
D) Normal force
A force of 10 N acts on an object of mass 2 kg. What is the acceleration?
A) 10 m/s²
B) 5 m/s²
C) 2 m/s²
D) 20 m/s²
What causes an object to remain at rest or in uniform motion?
A) Force
B) Friction
C) Inertia
D) Gravity
Newton’s third law of motion can be observed in:
A) A person jumping off a boat and the boat moving backward
B) A car moving at constant speed
C) An object falling to the ground
D) A ball rolling on a flat surface
What is the net force acting on an object moving with constant velocity?
A) Zero
B) Equal to its weight
C) Equal to its mass
D) Varies with time
A mass of 5 kg is subjected to a force of 15 N. What is the resulting acceleration?
A) 3 m/s²
B) 5 m/s²
C) 7 m/s²
D) 10 m/s²
The force needed to keep an object moving at constant velocity is:
A) Equal to its weight
B) Zero
C) Equal to its mass
D) Proportional to velocity
Which of the following is true about Newton’s first law of motion?
A) It only applies to objects at rest
B) It only applies to objects in motion
C) It applies to both objects at rest and in motion
D) It only applies to objects in a vacuum
The force that opposes the motion of objects in contact is called:
A) Gravitational force
B) Centripetal force
C) Friction
D) Tension
In Newton’s second law, what happens to acceleration if the mass of an object increases while the force remains constant?
A) Increases
B) Decreases
C) Remains the same
D) Becomes zero
Which of the following is a vector quantity?
A) Force
B) Speed
C) Distance
D) Time
According to Newton’s first law, an object at rest will stay at rest unless acted upon by:
A) A balanced force
B) An unbalanced force
C) Gravity
D) Friction
A book resting on a table exerts a force on the table due to its weight. According to Newton’s third law, the table exerts:
A) No force
B) A smaller force on the book
C) An equal and opposite force on the book
D) A force larger than the book’s weight
When two objects collide, their total momentum before and after the collision is:
A) Increased
B) Decreased
C) Zero
D) The same
Which of the following describes the relationship between force and acceleration?
A) Directly proportional
B) Inversely proportional
C) No relation
D) Constant
Which law states that force is directly proportional to the rate of change of momentum?
A) Newton’s first law
B) Newton’s second law
C) Newton’s third law
D) Law of inertia
In the absence of external forces, the momentum of a system remains:
A) Constant
B) Increasing
C) Decreasing
D) Zero
An object moving in a circular path with constant speed experiences:
A) No force
B) Centripetal force
C) Gravitational force
D) Frictional force
If the mass of an object doubles while the force applied remains constant, the acceleration:
A) Doubles
B) Halves
C) Remains the same
D) Becomes zero
Which of the following forces is responsible for maintaining an object’s circular motion?
A) Gravitational force
B) Centripetal force
C) Friction
D) Tension
A car moving on a straight road at a constant speed has a net force of:
A) Zero
B) Equal to its mass
C) Equal to its weight
D) Constant
The action and reaction forces described by Newton’s third law act:
A) On the same object
B) On different objects
C) Perpendicularly
D) In the same direction
An object is thrown vertically upward. What is its acceleration during the upward motion?
A) 9.8 m/s² downward
B) 9.8 m/s² upward
C) Zero
D) Increasing
Which of the following forces acts between two objects in contact and resists motion?
A) Gravitational force
B) Friction
C) Tension
D) Centripetal force
Which of the following is an example of an object in equilibrium?
A) A car accelerating
B) A plane flying at constant speed
C) A ball rolling downhill
D) A person climbing stairs
The inertia of an object depends on its:
A) Velocity
B) Mass
C) Acceleration
D) Position
What is the formula for calculating force based on Newton’s second law?
A) F = mv
B) F = ma
C) F = m/a
D) F = v/a
A rocket accelerates upward due to the force of its engines. The reaction force is:
A) Gravity pulling the rocket down
B) Air resistance
C) The exhaust gases pushing down
D) The rocket’s weight
Which of the following best represents an object’s momentum?
A) Mass × velocity
B) Mass × acceleration
C) Force × time
D) Velocity × acceleration
A swimmer pushes water backward to move forward. This is an example of:
A) Newton’s first law
B) Newton’s second law
C) Newton’s third law
D) Law of conservation of energy
If no external force acts on a moving object, it will:
A) Stop moving
B) Accelerate
C) Continue to move at constant velocity
D) Move in a circular path
An object moves in a straight line with constant speed. What is the net force acting on the object?
A) Zero
B) Equal to its mass
C) Equal to its velocity
D) Increasing
If a 3 kg object accelerates at 4 m/s², what force is applied to it?
A) 12 N
B) 7 N
C) 3 N
D) 8 N
