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Match the following concepts with the correct law. Conservation of momentum is related to:
Newton's second law of motion
Newton's third law of motion
Second law of motion
First law of motion
First law of motion
When a motorcar makes a sharp turn at a high speed, passengers tend to get thrown to one side due to Newton's First Law of Motion (inertia of direction). As the car turns, the vehicle's body changes direction under external tire friction, but the occupants tend to continue moving in a straight line due to inertia.
When a motorcar makes a sharp turn at a high speed, passengers tend to get thrown to one side due to Newton's First Law of Motion (inertia of direction). As the car turns, the vehicle's body changes direction under external tire friction, but the occupants tend to continue moving in a straight line due to inertia.
When standing in a crowded bus that suddenly takes a sharp right turn, you feel pushed towards the left wall. This is because your body wants to keep going straight while the bus turns underneath you.
INERTIA: I-N-E-R-T-I-A means 'It Never Easily Resists The Initial Action' (objects resist changes in their state of rest or uniform motion).
F=mтЛЕa тАФ Newton's Second Law linking force and acceleration
acтАЛ=rv2тАЛ тАФ Centripetal acceleration during circular turning
According to Newton's First Law of Motion (the law of inertia), an object at rest stays at rest and an object in motion continues in motion with the same speed and in the same direction unless acted upon by an external force. When a vehicle takes a sharp turn, the tires experience a centripetal force from the road to change direction. However, the passengers inside are not immediately subjected to this same lateral force; their inertia tends to maintain their straight-line motion, causing them to slide or press against the side door of the car.
Newton's First Law is also known as the Law of Inertia.
Inertia is directly proportional to the mass of the object.
When a car turns, passengers experience inertia of direction.
Seatbelts provide the necessary external force to change the passenger's direction along with the car.
Explains everyday phenomena like dust falling when a carpet is beaten.
Forms the foundational definition of inertial reference frames in classical mechanics.
Getting thrown sideways during sharp turns in vehicles.
Falling forward when a moving bus stops suddenly.
Falling backward when a bus starts moving from rest.
Option A (Conservation of momentum) is a consequence of Newton's third law in isolated systems.
Option B (Second law of motion) defines force as the rate of change of momentum (F=dtdpтАЛ).
Option C (Third law of motion) states that action and reaction are equal and opposite.
D is correct тАФ When a motorcar makes a sharp turn at a high speed, we tend to get thrown to one side due to the First Law of Motion (Inertia of direction).
Remember that all inertial effects (like passengers leaning outward during a turn or forward when braking) are direct manifestations of Newton's First Law of Motion (Inertia).
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