The size of the gravitational force between two objects depends on their ____.

masses and the distance between them

An astronaut is planning a trip to a newly-discovered planet. According to the Law of Universal Gravitation, the astronaut’s weight on the new planet will be greater than his weight on Earth if:

the new planet has more gravity than Earth.

the new planet has less gravity than Earth.

the new planet has the same gravity as Earth.

the gravity of the planet doesn't matter. Weight is the same everywhere in the universe.

A student drops a feather and rock at the same time from the same time from Mrs. Taylor’s window. If air resistance wasn’t a factor, what should she observe?

The rock and feather fall at the same rate.

The rock falls slower than the feather.

The rock falls faster than the feather.

The rock and feather remain suspended and do not fall.

The attraction any two objects have on one another.

The force of gravity on an object

A net force acting on an object causes the object to accelerate in the direction of the net force

Related to the amount of force needed to change an object's motion

Which of the following best describes how a swimmer moves through the water?

The swimmer pushes backwards on the water and the water pushes with an equal but opposite force back on the swimmer.

The swimmer pushes off the side of the pool and his inertia keeps him moving through the water.

The swimmer uses friction to push himself through the water.

Air resistance limits the swimmer’s speed.

An object will move at a constant velocity unless an unbalanced force acts upon it.

Push or pull one body exerts on another.

A friction-like force that opposes the motion of objects that move through the air.

The highest velocity a falling object will reach

Tendency of an object to resist changes in motion

Why does someone not wearing a seatbelt in a car fly forward when the car stops suddenly? Make sure to include which law explains this.

Because objects in motion resist a change in motion, due to inertia, Newton's First Law

Why does it take more effort to make a bowling ball accelerate 25 m/s² than to make a tennis ball accelerate 25 m/s²? Make sure to include which law explains this.

Because a bowling ball has more mass, so it will need a greater force to accelerate it. Newton's Second Law

How does a trampoline work? Make sure to include which law explains this.

Weight is a downward force on the trampoline and the trampoline pushes back with and equal but opposite force upward. Newton's Third Law

Force Test CP

Quiz

•

Physics

•

9th Grade

•

Practice Problem

•

Medium

•

NGSS

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

+4

Standards-aligned

Cheryl Ward

Used 1+ times

FREE Resource

41 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

A group of students is playing tug-of-war. The students on both sides of the rope are pulling with equal force so that the rope is not moving. This is an example of

unbalanced forces

balanced forces

acceleration

displacement

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

A firefighter feels the hose pushing backwards onto him as he uses it to put out a fire. What is the most likely cause of this?

The hose material is very elastic.

Since the hose is at rest, it tends to stay at rest.

The force exerted on the water equals the mass of the water times its acceleration.

The escaping water exerts an equal and opposite force on the hose.

Tags

NGSS.MS-PS2-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

If the same force is applied to each of the balls pictured below, which one will have the LEAST acceleration?

m = 0.5 kg

m = 0.75 kg

m = 1.0 kg

m = 7.3 kg

Tags

NGSS.MS-PS2-2

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which of the following is measured in Newtons?

weight

momentum

mass

acceleration

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

The upward force on an object falling through the air is ____.

air resistance

momentum

inertia

gravity

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

The relationship among mass, force, and acceleration is explained by ____.

Law of Conservation of Momentum

Newton's 1st Law of Motion

Newton's 2nd Law of Motion

Newton's 3rd Law of Motion

Tags

NGSS.MS-PS2-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

According to Newton’s laws, for any object, the greater the force that's applied to it, the greater its ____ will be.

acceleration

inertia

gravity

size

Tags

NGSS.MS-PS2-2

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Force Test CP

41 questions

A group of students is playing tug-of-war. The students on both sides of the rope are pulling with equal force so that the rope is not moving. This is an example of

A firefighter feels the hose pushing backwards onto him as he uses it to put out a fire. What is the most likely cause of this?

If the same force is applied to each of the balls pictured below, which one will have the LEAST acceleration?

Which of the following is measured in Newtons?

The upward force on an object falling through the air is ____.

The relationship among mass, force, and acceleration is explained by ____.

According to Newton’s laws, for any object, the greater the force that's applied to it, the greater its ____ will be.

The size of the gravitational force between two objects depends on their ____.

An astronaut is planning a trip to a newly-discovered planet. According to the Law of Universal Gravitation, the astronaut’s weight on the new planet will be greater than his weight on Earth if:

"To every action there is an equal and opposite reaction" describes which law?

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