What is the unit of force in the International System of Units (SI)?
a) Joule
b) Newton
c) Pascal
d) Watt
Newton’s First Law of Motion is also known as the law of:
a) Acceleration
b) Inertia
c) Action and Reaction
d) Momentum
Which of Newton’s Laws states that for every action, there is an equal and opposite reaction?
a) First Law
b) Second Law
c) Third Law
d) Law of Gravitation
What is the formula for Newton’s Second Law of Motion?
a) F = mv
b) F = ma
c) F = m/a
d) F = v/m
Which of the following is an example of Newton’s Third Law?
a) A book resting on a table
b) A rocket launching into space
c) A ball rolling on the ground
d) A car accelerating
What happens to an object when the net external force acting on it is zero?
a) It accelerates
b) It moves in a circular path
c) It remains at rest or moves with constant velocity
d) It changes direction
Which of the following statements is true about inertia?
a) It depends on the shape of the object
b) It is independent of mass
c) It depends on the mass of the object
d) It is the ability of an object to move
A 10 kg object experiences a force of 50 N. What is its acceleration?
a) 5 m/s²
b) 10 m/s²
c) 50 m/s²
d) 500 m/s²
Which type of motion occurs when an object moves in a straight line with constant speed?
a) Uniform motion
b) Non-uniform motion
c) Rotational motion
d) Vibrational motion
A moving car comes to a stop due to:
a) Inertia
b) Acceleration
c) Friction
d) Gravity
What does Newton’s First Law state about an object in motion?
a) It will stop on its own
b) It will accelerate unless acted upon
c) It will remain in motion unless acted upon by an external force
d) It will change direction randomly
A person jumps off a boat and the boat moves backward. This is an example of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Law of Universal Gravitation
Which of the following best describes force?
a) A push or pull on an object
b) The ability of an object to resist motion
c) The speed of an object
d) The weight of an object
If a car suddenly stops, passengers inside tend to move forward due to:
a) Gravity
b) Friction
c) Inertia
d) Acceleration
A soccer ball is kicked with a force of 30 N and has a mass of 3 kg. What is its acceleration?
a) 5 m/s²
b) 10 m/s²
c) 15 m/s²
d) 30 m/s²
What happens when you apply a greater force to an object?
a) The object slows down
b) The object’s acceleration increases
c) The object’s mass decreases
d) The object remains at rest
Which quantity is the product of mass and velocity?
a) Force
b) Work
c) Momentum
d) Power
What force is required to accelerate a 20 kg object at 2 m/s²?
a) 10 N
b) 20 N
c) 40 N
d) 50 N
Which of the following is a non-contact force?
a) Friction
b) Normal force
c) Gravity
d) Tension
Which of Newton’s Laws explains why a seatbelt is necessary in a car?
a) First Law
b) Second Law
c) Third Law
d) Law of Gravitation
The acceleration of an object depends on:
a) Its weight and height
b) The net force applied and its mass
c) Its speed and direction
d) The shape of the object
If two objects of different masses are dropped from the same height in the absence of air resistance, they will:
a) Fall at different speeds
b) Fall at the same speed
c) The heavier object will fall faster
d) The lighter object will fall faster
What is the force that resists the motion of objects through air?
a) Gravity
b) Tension
c) Air resistance
d) Normal force
Which Newton’s Law states that acceleration is directly proportional to force?
a) First Law
b) Second Law
c) Third Law
d) Law of Gravitation
Why does a heavier object require more force to move?
a) It has less inertia
b) It has more inertia
c) It is affected by gravity less
d) It moves faster naturally
What is the reaction force when you push against a wall?
a) The wall does nothing
b) The wall pushes back with equal force
c) The wall moves backward
d) The wall applies more force than you
Which of the following affects the motion of an object?
a) Force
b) Mass
c) Acceleration
d) All of the above
A person swimming pushes water backward, and the water pushes them forward. This is an example of:
a) Newton’s First Law
b) Newton’s Second Law
c) Newton’s Third Law
d) Law of Gravitation
