PH2105 Mechanics - Lecture 9: Momentum & Collisions

How does momentum behave in relation to an object's mass and velocity?

Which of the following correctly relates force and momentum according to Newton's second law?

What happens to the change in momentum if a force is applied for twice as long?

What are the SI units of impulse?

How are the momenta of an air molecule and an automobile compared?

What is the proper definition of linear momentum?

Which statement accurately describes the relationship between impulse and momentum?

Why is conservation of momentum particularly important in the study of collisions?

Which of the following units is not a unit for measuring momentum?

What does the center of mass refer to?

Which of the following is true about momentum as a vector quantity?

Which scenario describes an elastic collision?

What is the implication of a system having a conserved energy?

What characterizes an elastic collision?

In a completely inelastic collision, what happens to the colliding bodies?

If two bodies experience a collision and external forces are negligible, what happens to the total momentum?

What is the implication of having a center of mass in a system of particles?

When a dropped ball sticks to the ground and does not bounce back, this is an example of which type of collision?

In the described car crash scenario, which of the following is required to determine the wreckage's velocity post-impact?

What happens to the total kinetic energy in an elastic collision compared to an inelastic collision?

Which of the following statements about momentum is true when two objects collide elastically?

Which method results in the greater impulse of the net force on the car?

What must be true for the total momentum of a system to be conserved?

According to Newton's Third Law, what can be said about the forces between two interacting particles?

What is the key principle behind the conservation of momentum?

When a car comes to a sudden stop by slamming into a wall, what can be concluded about its change in momentum?

What effect does a gradual stop have on the forces acting on a car compared to a sudden stop?

In the conservation of momentum scenario with two isolated particles, what happens to the momentum when they interact?

When considering the impulse of net force during a collision, what does impulse represent?

What does the impulse-momentum theorem state about the relationship between impulse and momentum?

In the context of impulse, what does the area under the curve on a graph of $\Sigma F_x$ versus time represent?

If a ball of mass 0.40 kg changes its velocity from -30 m/s to +20 m/s after colliding with a wall, what is the impulse of the net force on the ball?

Which condition affects the change in momentum of a particle?

In the case of a soccer ball initially traveling at 20 m/s to the left and then kicked to 30 m/s at a 45° angle, what determines the impulse imparted to it?

What is the mathematical expression for impulse as described in the content?

How does the impulse of a net force during a collision correlate with the change in momentum for an object?

Which statement accurately describes the difference between momentum and kinetic energy?

What does Newton’s Second Law imply about the forces acting on two objects A and B in terms of their momentum?

Under what condition is momentum conserved in a collision according to the conservation of momentum principle?

Which statement about the principle of conservation of momentum is correct?

In a situation where a spring-loaded toy breaks into three pieces, if pieces A and B move in negative directions, what can be inferred about piece C's velocity components?

What are the signs of the velocity components of Piece C if Piece A moves in the negative x-direction and Piece B moves in the negative y-direction?

What is the result of the total momentum in an isolated system as suggested by Newton's principles?

What assumption is crucial for the conservation of momentum to hold true?

How does momentum conservation relate to Newton’s Third Law?