Momentum and the Law of Conservation of Momentum

Front

What is momentum?

Back

Momentum is the product of an object's mass and its velocity. It is a vector quantity, meaning it has both magnitude and direction.

Tags

NGSS.HS-PS2-2

Front

What is the Law of Conservation of Momentum?

Back

The Law of Conservation of Momentum states that in a closed system, the total momentum before an event (like a collision) is equal to the total momentum after the event.

Tags

NGSS.HS-PS2-2

Front

Is momentum a scalar or vector quantity?

Back

Momentum is a vector quantity.

Tags

NGSS.HS-PS2-2

Front

What happens to momentum if an object's velocity changes?

Back

If an object's velocity changes, its momentum will also change.

Tags

NGSS.HS-PS2-2

Front

What two factors determine the momentum of an object?

Back

The momentum of an object depends on its mass and velocity.

Tags

NGSS.HS-PS2-2

Front

How do you calculate momentum?

Back

Momentum (p) is calculated using the formula: p = mass (m) × velocity (v).

Tags

NGSS.HS-PS2-2

Front

What is the momentum of a 10 kg object moving at 3 m/s?

Back

The momentum is 30 kg·m/s (10 kg × 3 m/s).

Tags

NGSS.HS-PS2-2

Front

Why is it difficult to stop a large oil tanker?

Back

It is difficult to stop a large oil tanker because it has a huge mass, resulting in enormous momentum, which requires a long distance to decrease its velocity.

Tags

NGSS.HS-PS2-2

Front

Which has more momentum: a 5 kg ball rolling at 5 m/s or a 10 kg ball rolling at 2 m/s?

Back

The 5 kg ball rolling at 5 m/s has more momentum (25 kg·m/s) compared to the 10 kg ball rolling at 2 m/s (20 kg·m/s).

Tags

NGSS.HS-PS2-2

Front

What is the effect of mass on momentum?

Back

An increase in mass will increase the momentum of an object if its velocity remains constant.

Tags

NGSS.HS-PS2-2