Ungraded Momentum Review

Front

What is momentum?

Back

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

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

What is an elastic collision?

Back

An elastic collision is a collision in which both momentum and kinetic energy are conserved.

Front

What is an inelastic collision?

Back

An inelastic collision is a collision in which momentum is conserved, but kinetic energy is not.

Front

How do you calculate the thrust of a rocket?

Back

Thrust can be calculated using the formula: Thrust = mass flow rate × exhaust velocity.

Front

What happens to momentum when two objects collide and stick together?

Back

The total momentum before the collision equals the total momentum after the collision.

Front

If two objects have the same mass and collide elastically, what can be said about their velocities after the collision?

Back

The velocities of the two objects will be exchanged.

Front

What is the relationship between force, mass, and acceleration?

Back

According to Newton's second law, F = ma, where F is force, m is mass, and a is acceleration.

Front

How does mass affect momentum?

Back

Momentum increases with mass; for a constant velocity, greater mass results in greater momentum.

Front

What is the formula for calculating momentum?

Back

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