Understanding Physics: Momentum, Impulse, and Collisions

What two main qualities are considered when analyzing collisions?

• Force and distance

• Mass and weight

• Momentum and impulse

• Speed and time

Tags

NGSS.HS-PS2-2

What law explains the relationship between force and motion?

• Newton's first law

• Newton's third law

• Newton's second law

• The law of universal gravitation

Tags

NGSS.HS-PS2-1

According to Newton, what is equal to mass times velocity?

• Force

• Acceleration

• Quantity of motion

• Energy

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

What is momentum technically defined as?

• An object's mass times its acceleration

• The potential energy of an object

• The force applied on an object

• An object's mass times its velocity

Tags

NGSS.HS-PS2-2

What does an impulse measure?

• The total distance an object travels

• The time it takes for an object to stop

• The change in an object's kinetic energy

• The change in an object's momentum

Tags

NGSS.HS-PS2-2

What does impulse represent in physics?

• A sudden desire to move

• Change in momentum

• A constant force applied

• The velocity of an object

Tags

NGSS.HS-PS2-2

In which type of collision is kinetic energy conserved?

• None of the above

• Perfectly inelastic collision

• Inelastic collision

• Elastic collision

What is always conserved in any type of collision?

• Mass

• Velocity

• Kinetic energy

• Momentum

Tags

NGSS.HS-PS2-2

What does Newton's third law imply about collisions?

• Forces are only applied in one direction

• Every action has an equal and opposite reaction

• Kinetic energy is always conserved

• Momentum is not conserved

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

What happens in a perfectly inelastic collision?

• Kinetic energy is completely conserved

• Objects stick together after colliding

• Objects stop moving completely

• Objects bounce off with no energy loss

Tags

NGSS.HS-PS2-2