AP Physics - Momentum

Front

What is momentum?

Back

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

Front

What are the units of momentum?

Back

The units of momentum are kilogram meters per second (kg*m/s).

Front

How does mass affect momentum?

Back

An increase in mass will increase momentum if velocity remains constant, as momentum is directly proportional to mass.

Front

How does velocity affect momentum?

Back

An increase in velocity will increase momentum if mass remains constant, as momentum is directly proportional to velocity.

Front

What is the principle of conservation of momentum?

Back

The total momentum of a closed system remains constant if no external forces act on it.

Front

If two objects collide and stick together, what happens to their momentum?

Back

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

Front

What is the formula to calculate the mass of an object using momentum?

Back

Mass can be calculated using the formula m = p/v, where m is mass, p is momentum, and v is velocity.

Front

What is the relationship between force and momentum?

Back

Force is the rate of change of momentum, described by the equation F = Δp/Δt, where F is force, Δp is the change in momentum, and Δt is the time interval.

Front

What happens to momentum in an elastic collision?

Back

In an elastic collision, both momentum and kinetic energy are conserved.

Front

What happens to momentum in an inelastic collision?

Back

In an inelastic collision, momentum is conserved, but kinetic energy is not conserved.