When a heavy football player and a light one run into each other, who exerts more force?

there is no such thing as force

If a ball of cheese is fired into frictionless space, the amount of force needed to keep it going equals

zero, since no force is requires to keep it moving.

twice the force with which it was fired

the same amount of force with which it was fired

1/2 the force with which it was fired

Which best explains why we are able to accelerate forward when starting to run?

The striking foot pushes backward against the ground. The friction with the ground provides an equal and opposite force forward.

As one leg moves backward, it provides an equal and opposite force for the other foot to move forward.

No acceleration takes place. Runners are always at a fixed velocity.

The runner's upper body quickly leans forward, causing the entire body to begin accelerating forward

If lil Houdeshell weighs 378 Newtons on Earth and 63 Newtons on the moon, this means that her...

mass is the same on the moon and the earth.

inertia is greater on earth and less on the moon.

According to Newton’s Law of Inertia, which of the following objects will change its motion?

A ball rolling across the floor with friction acting in the opposite direction.

A bike rider on a smooth and level road, pedaling at a constant rate.

A train pulling on another train, each with the same amount of force.

A chair sitting on the floor with balanced forces acting in opposite directions.

A bowling ball is rolled with a certain speed and strikes a bowling pin with a force indicated by the arrow in this illustration. When the bowling ball strikes the bowling pin, the force applied by the pin to the ball -

is equal to the force applied by the ball.

depends on the mass of the bowling pin.

must be zero, since the pin is not moving.

is equal to the force of gravity on both.

Which object has more momentum?

baseball, lost, in a messy room

A student drops a bowling ball and an apple from a third-story window. Both objects hit the ground at the same time. From the experiment, the student should conclude that

gravity pulls on both objects, causing them to fall at the same time.

the apple weighs more than the bowling ball

more air friction is acting on the apple than on the bowling ball

If a feather and a hammer are dropped at the same time on the moon, where there is no atmosphere, which one will hit the ground first?

Neither, there is no gravity on the moon.

hammer because it has more mass

feather because it has less mass

Review Newtons Laws of Motion

Quiz

•

Physics

•

8th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-PS2-2, MS-PS2-4, MS-PS2-1

+5

Standards-aligned

XIOMARA BENITEZ

Used 9+ times

FREE Resource

48 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is Newton's First Law

F=ma

Every action has an equal and opposite reaction

An object at rest stays at rest, an object in motion stays in motion.

Friction

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What pulls a ball back to earth?

Gas

Gravity

Friction

Molecules

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the name for a push or pull?

A movement

A force

Speed

Density

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A ball and a car are rolling down hill what type of energy is used

potential

kinetic

chemical

thermal

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Definition of Velocity?

any change in velocity

specific speed

speed in a specific direction

speed in a specific number

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

definition of motion?

an object in motion changes position

affected by the motion of the observer

It happens instantly

A change in position over time

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Newtons 2nd law of motion?

Pancakes

Force= Mass multiplied by acceleration

For every action there is a equal and opposite re-action.

Law of gravity

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Review Newtons Laws of Motion