Who formulated the First Law of Motion?
- Newton
- Isaac Newton formulated the First Law of Motion, which describes the concept of inertia.
What is another name for the First Law of Motion?
- Law of Inertia
- The First Law of Motion is also known as the Law of Inertia because it explains an object’s resistance to change in motion.
What is the tendency of an object to resist a change in motion called?
- Inertia
- Inertia is the property of an object to resist changes in its state of motion.
Which physical quantity of an object determines its inertia?
- Mass
- The mass of an object is a measure of its inertia; greater mass means greater inertia.
What happens to an object at rest if no external force is applied?
- Remains at rest
- According to the First Law, an object at rest stays at rest unless acted upon by an unbalanced force.
What happens to an object in motion if no external force is applied?
- Continues moving
- An object in uniform motion continues to move in a straight line unless acted upon by an external force.
Which force opposes motion and eventually stops a moving object?
- Friction
- Friction is a force that opposes motion and eventually slows down or stops moving objects.
Which everyday example demonstrates inertia when a bus suddenly stops?
- Forward fall
- Passengers fall forward when a bus suddenly stops due to inertia, as their bodies continue moving forward.
What happens when you suddenly stop a moving car?
- Body moves forward
- A person’s body moves forward when a car stops suddenly due to inertia.
Which scientific experiment involving a coin and card demonstrates inertia?
- Carom coin experiment
- In the carom coin experiment, flicking a card causes the coin to drop straight into a glass due to inertia.
