Understanding Forces and Motion

Front

What is a force?

Back

A force is an interaction that causes a change in motion.

Front

How can a force change the state of a body?

Back

A force changes the state of a body by altering its motion or shape.

Front

What are the two types of forces mentioned?

Back

Contact forces and non-contact forces

Front

What does a force cause a body to do?

Back

A force causes a body to accelerate or change its motion.

Front

State Newton's first law of motion.

Back

An object will remain at rest or in uniform motion unless acted upon by an external force.

Front

Inertia

Back

Inertia is the resistance of an object to changes in its motion.

Front

How does inertia affect passengers in a car during a crash?

Back

Inertia causes passengers to continue moving forward during a crash, potentially leading to injury.

Front

Why is a seat belt important in a vehicle?

Back

A seat belt is crucial for safety as it protects occupants during accidents.

Front

What happens to a standing person when a bus starts moving suddenly?

Back

The person may fall backward due to inertia.

Front

How does inertia relate to a body at rest?

Back

Inertia causes a body at rest to stay at rest until a force acts on it.