Conservation of Momentum

Front

What is the principle of conservation of momentum?

Back

The principle 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

Define momentum.

Back

Momentum is the product of an object's mass and its velocity, represented by the formula p = mv.

Tags

NGSS.HS-PS2-2

Front

What happens to the momentum of two skaters when they push off each other?

Back

The total momentum of the system remains constant; the momentum gained by one skater is equal and opposite to the momentum gained by the other.

Tags

NGSS.HS-PS2-2

Front

If two objects collide, what can be said about their momentum before and after the collision?

Back

The total momentum before the collision is equal to the total momentum after the collision.

Tags

NGSS.HS-PS2-2

Front

How does doubling the speed of an object affect its momentum?

Back

Doubling the speed of an object doubles its momentum, since momentum is directly proportional to velocity.

Tags

NGSS.HS-PS2-2

Front

What is the formula for calculating momentum?

Back

p = mv, where p is momentum, m is mass, and v is velocity.

Tags

NGSS.HS-PS2-2

Front

In a perfectly elastic collision, what is conserved?

Back

Both momentum and kinetic energy are conserved in a perfectly elastic collision.

Tags

NGSS.HS-PS2-2

Front

In a perfectly inelastic collision, what happens to the objects involved?

Back

In a perfectly inelastic collision, the objects stick together after the collision, moving as a single object.

Tags

NGSS.HS-PS2-3

Front

What is the relationship between mass and speed in determining momentum?

Back

Momentum increases with either an increase in mass or an increase in speed.

Tags

NGSS.HS-PS2-2

Front

What is an example of conservation of momentum in everyday life?

Back

A common example is a game of pool, where the cue ball strikes another ball, transferring momentum.

Tags

NGSS.HS-PS2-2