It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes

Newton's second law, the law of acceleration

Newton's first law, the law of inertia

Newton's third law, the law of action reaction

The law of universal gravitation

Suppose that an astronaut throws a baseball in outer space at a location far from significant influences of gravity and air resistance. One would expect that the baseball would ____.

continue in motion with the same speed and direction

eventually stop since all objects ultimately "lose their steam"

eventually stop as its inertia slowly becomes used up

either a, b, or c -- depending on whether the astronaut continues to push it

A skateboard rolls down a hill, reaches the level surface and eventually comes to a stop. The fact that the skateboard ultimately stops is best explained by ____.

the presence of an unbalanced force (e.g., friction) can cause a moving object to stop

an unbalanced force would be required to keep the sled moving forward at constant speed

the presence of inertia causes it to stop

the natural tendency of any object is to ultimately stop

A hammer puts force on a nail, and the nail

puts and equal and opposite force on the hammer

the nail puts a greater force back on the hammer

the nail puts a lesser force on the hammer

How will motion change?

It will accelerate to the right.

It will accelerate to the left.

A car is driving on the road when a fly hits the window. In this situation:

The force exerted on the car by the fly is equal to the force exerted by the fly on the car.

The force exerted on the car by the fly is less than the force exerted by the fly on the car.

The force exerted on the car by the fly is greater than the force exerted by the fly on the car.

The fly does not exert a force on the car.

The car does not exert a force on the fly.

An elevator is traveling upward in an elevator shaft at a constant speed. Assume that all friction effects are negligible. According to this situation, the forces on the elevator are best described by the following:

The upward force is equal to the downward force due to gravity.

The upward force is greater than the downward force due to gravity.

The upward force is less than the downward force due to gravity.

The upward force is greater than the sum of the downward force due to gravity and air resistance.

The upward force is less than the sum of the downward force due to gravity and air resistance.

A ball is launched from rest in outer space. Assume all outside forces other than the launch force are negligible. Three seconds after the ball has been launched, which of the following is true?

The ball is not accelerating and moves with constant velocity.

The ball is accelerating in the direction of motion due to the launch force.

The ball is accelerating in the direction opposite motion due to the launch force.

The ball accelerates in the direction of motion initially and then moves with constant velocity.

The ball accelerates in the direction opposite motion initially and then moves with constant velocity.

A person stands on a scale in order to weigh herself. The diagram below shows two possible forces acting on her. Which of the following is the correct description of the forces acting on her?

the force exerted by the scale is equal to the force due to gravity on her

the force exerted by the scale is greater than the force due to gravity on her

the force exerted by the scale is less than the force due to gravity on her

only the force due to gravity exists

only the force exerted by the scale exists

Suppose a particle is accelerated through space by a constant 10-N force. Suddenly the particle encounters a second force of 10-N in a direction opposite to that of the first force. The particle

continues at the speed it had when it encountered the second force.

theoretically accelerates to speeds approaching the speed of light.

gradually decelerates to a halt.

A car slides across an icy road in a straight line at a constant speed until it hits pavement. Which of Newton's Laws is most applicable when describing why this happens?

Newton's Third Law (Action-Reaction)

Newton's Law of Universal Gravitation

A skydiver falls downward at a constant speed. What can we say about the forces acting on them?

air resistance is equal to weight

weight is larger than air resistance

air resistance is larger than weight

gravitational force is greater than weight

A rock that weighs 75 N is dropped from a building and falls downwards through the air. Air resistance exerts a force of 50 Newtons upwards. The rock will

accelerate downwards and speed up

accelerate downwards and slow down

acceleration upwards and speed up

accelerate upwards and slow down

Which condition must be true in order for a system to be moving at a constant speed (no acceleration)?

The forces on the system are unbalanced

There are no forces acting on the system

Which statement is TRUE?

friction always opposes the motion of an object

static friction occurs between moving objects

kinetic friction occurs between stationary objects

static friction is always less than kinetic friction

According to Newton's 2nd law of motion, what two things determine how much a soccer ball will accelerate when kicked horizontally along the ground?

the mass of the soccer ball and the force applied to it

the mass of the soccer ball and gravity

the force of gravity and the size of the kicker's foot

the size of the kicker's foot and the mass of the soccer ball

Newton's Laws Review

Authored by Charles Martinez

Science

12th Grade

NGSS covered

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52 questions

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What law is best described by inertia?

1st

2nd

3rd

law of conservation of mass

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What law is best described

1st

2nd

3rd

law of motion

Tags

NGSS.MS-PS2-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What law is best described
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

Newton's 1st Law

Newton's 2nd Law

Newton's 3rd Law

Tags

NGSS.MS-PS2-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What law is best described
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

The Law of Inertia (1st law)

The Law of Acceleration (2nd law)

The Law of Conservation of Momentum

Action Reaction Law (3rd law)

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

With unbalanced forces, the object will move in the direction that the _______ force is being applied.

larger

smaller

equal

less

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

You hit a wall with a stick. The equal but opposite reaction is _____

the wall pushes against you

the stick pushes against you

you push against the stick

the wall pushes against the stick

Tags

NGSS.MS-PS2-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which one is balanced?

top

bottom

both

neither

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Newton's Laws Review

What law is best described by inertia?

What law is best described

What law is best described
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

What law is best described
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

With unbalanced forces, the object will move in the direction that the _______ force is being applied.

You hit a wall with a stick. The equal but opposite reaction is _____

Which one is balanced?

It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes

What will cause an object to move?

What is the net force?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Newton's Laws Review

What law is best described by inertia?

What law is best described

What law is best describedA magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

What law is best describedA person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

With unbalanced forces, the object will move in the direction that the _______ force is being applied.

You hit a wall with a stick. The equal but opposite reaction is _____

Which one is balanced?

It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes

What will cause an object to move?

What is the net force?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

What law is best described
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

What law is best described
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.