Physics Motion & Momentum

What is the key characteristic of horizontal projectile motion?

• The speed remains constant throughout the motion

• Motion only occurs in the vertical direction

• The object moves in a circular path

• Motion only occurs in the horizontal direction

In angled projectile motion, what factors affect the range of the projectile?

• Initial velocity, launch angle, acceleration due to gravity

• Wind speed, air resistance, temperature

State the impulse-momentum theorem.

• The impulse-momentum theorem states that the change in momentum of an object is equal to the impulse applied to it.

• The impulse-momentum theorem states that momentum is conserved in all collisions.

• The impulse-momentum theorem states that the change in momentum of an object is equal to the force applied to it.

• The impulse-momentum theorem states that the impulse applied to an object is inversely proportional to its momentum.

Explain the concept of conservation of momentum.

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

• The conservation of momentum is dependent on the mass of the objects involved.

• The conservation of momentum only applies to objects at rest.

• Momentum is only conserved in elastic collisions, not inelastic collisions.

How does impulse relate to the change in momentum of an object?

• Impulse is inversely proportional to the change in momentum of an object.

• Impulse is greater than the change in momentum of an object.

• Impulse is not related to the change in momentum of an object.

• Impulse is equal to the change in momentum of an object.

What is the formula to calculate the horizontal distance traveled by a projectile?

• horizontal distance = initial velocity * time * secant(angle)

• horizontal distance = initial velocity * time * cosine(angle)

• horizontal distance = initial velocity * time * sine(angle)

• horizontal distance = initial velocity * time * tangent(angle)

How does the angle of projection affect the time of flight in projectile motion?

• A lower angle results in a longer time of flight

• Increasing the angle decreases the time of flight

• The angle of projection has no effect on the time of flight

• The angle of projection affects the time of flight in projectile motion by influencing the vertical and horizontal components of the initial velocity. A higher angle results in a longer time of flight as it increases the vertical component of the initial velocity, leading to a higher maximum height and longer time spent in the air.

Define impulse in the context of momentum.

• Impulse is the product of force and time.

• Impulse is the result of dividing momentum by time.

• Impulse is the change in kinetic energy of an object.

• Impulse is the product of mass and acceleration.

What is the relationship between impulse and change in momentum?

• Impulse is equal to velocity.

• Impulse is equal to the change in momentum.

• Impulse is inversely proportional to change in momentum.

• Impulse is not related to change in momentum.

How does the mass of an object affect its momentum?

• The mass of an object has no impact on its momentum

• The mass of an object affects its momentum by directly influencing the momentum value.

• The mass of an object increases its velocity

• The mass of an object decreases its momentum