Which of the following would cause an increase in momentum?

Increasing velocity while keeping mass constant

Decreasing mass while keeping velocity constant

Decreasing velocity while keeping mass constant

A small car and a large truck have the same momentum. Which one has a higher velocity?

They both have the same velocity

A football player catches a ball, and the ball slows down. What is happening to the momentum of the ball?

The momentum of the ball decreases

The momentum is being transferred to the player

The ball's momentum remains unchanged

Which of the following is an example of an impulse?

A person pushing a sled for a few seconds

A car moving at a constant speed

A rocket coasting through space

Which statement about momentum is correct?

Only moving objects have momentum

All objects, whether moving or not, have momentum

Only objects with mass have momentum

Which of the following would decrease the momentum of an object?

Decreasing the object's velocity

Applying a force in the same direction as the object's motion

Increasing the object's velocity

When a baseball bat hits a ball, what happens to the ball's momentum?

It remains unchanged, but its energy is transferred

What happens if a rocket applies a constant force for a long time?

Its velocity will stay constant

What is an example of a situation where impulse is used?

A person walking across the room

What does the impulse-momentum theorem state?

The change in an object's momentum is equal to the force applied to it times the time the force is applied

The momentum of an object is always constant

The momentum of an object is the same before and after a collision

The velocity of an object is equal to its momentum

Which of the following examples involves a collision where momentum is conserved?

Two ice skaters pushing off each other and gliding apart

A car crashing into a wall and coming to a stop

A ball hitting a bat and bouncing back

A rocket losing fuel as it moves

What is the principle of conservation of momentum in a collision?

The total momentum of a system before the collision is equal to the total momentum after the collision, provided no external forces act on the system.

Momentum is always increased during a collision

Momentum is only conserved when objects are at rest

The total energy of a system is conserved in a collision

Two cars with equal mass move toward each other at the same speed. After they collide, they stick together. What happens to their momentum?

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

In a perfectly inelastic collision, what happens to the total momentum of the system?

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

If two objects collide and one object moves in the opposite direction after the collision, what happens to the total momentum of the system?

The total momentum is conserved

The total momentum becomes zero

When a bomb explodes into two pieces, what happens to the total momentum of the two pieces?

The total momentum is conserved

The momentum of one piece is greater than the other

The total momentum is lost during the explosion

A disturbance that transfers energy

What is the formula to calculate the speed of a wave?

Wave Speed = Wavelength × Frequency

Wave Speed = Frequency × Amplitude

Wave Speed = Wavelength × Amplitude

Wave Speed = Frequency + Wavelength

What is the motion of particles in a transverse wave?

B) Perpendicular to the direction of the wave

A) Parallel to the direction of the wave

In a longitudinal wave, what do the particles of the medium do?

Move back and forth in the same direction as the wave

What is constructive interference?

When waves combine to form a larger wave

When waves cancel each other out

When waves bounce off a surface

What is destructive interference?

When waves cancel each other out

When waves combine to form a larger wave

Physics 2nd Semester Review Part 1

Authored by ROBERTO OLIVAREZ

Science

8th Grade

NGSS covered

Used 3+ times

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95 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is momentum?

The ability to stop a moving object

The mass of an object

The product of an object's mass and velocity

The force acting on an object

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the momentum of an object if its mass increases but its velocity stays the same?

Momentum decreases

Momentum stays the same

Momentum increases

Momentum becomes zero

Tags

NGSS.HS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which unit is used to measure momentum?

Kilogram (kg)

Meter per second (m/s)

Newton (N)

Kilogram meter per second (kg·m/s)

Tags

NGSS.HS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does impulse refer to?

The speed of an object

The change in an object's velocity

The force applied to an object over time

The weight of an object

Tags

NGSS.HS-PS2-2

OPEN ENDED QUESTION

3 mins • 1 pt

How is impulse related to momentum?

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NGSS.HS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of impulse?

Newton (N)

Kilogram (kg)

Newton second (N·s)

Meter per second (m/s)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a person pushes a sled with a force of 10 N for 5 seconds, what is the impulse?

2 N·s

10 N·s

50 N·s

10 N

Tags

NGSS.HS-PS2-1

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Physics 2nd Semester Review Part 1

What is momentum?

What happens to the momentum of an object if its mass increases but its velocity stays the same?

Which unit is used to measure momentum?

What does impulse refer to?

How is impulse related to momentum?

What is the unit of impulse?

If a person pushes a sled with a force of 10 N for 5 seconds, what is the impulse?

A car is moving at 20 m/s and has a mass of 1000 kg. What is its momentum?

Which of the following would cause an increase in momentum?

A small car and a large truck have the same momentum. Which one has a higher velocity?

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