Laws of Motion Review Honors 23-24

Force and Motion Review

Grade 6 Honors 23-24

​I can identify and use a Newton as the unit for measuring force

No change in motion

No acceleration or turn

Only constant speed

Equal and opposite

​

I can identify and describe a balanced force

Multiple Choice

If these teams are pulling with the same amount of force what will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Multiple Choice

Which could be an example of an unbalanced force?

• A plate sitting on a dining table
• A ball at the top of a hill that is not moving
• Earth orbiting the Sun 
• A baseball that has been thrown to home plate.

Can cause a change in position, direction, speed

​

​I can identify and describe an unbalanced force
I can describe motion as a change in position, a change in direction, or a change in speed caused by an unbalanced force

Multiple Choice

In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N. What is the resultant force?

• 50N to the left.
• 350N to the left.
• 350N to the right.
• 50N to the right.

Multiple Choice

An arm wrestling game, where equal force is applied on both sides.

• balanced

• unbalanced

Multiple Choice

When an object does not change its motion:

• Balanced forces

• Unbalanced forces

• Gravity

Multiple Choice

Are the forces acting on this object balanced or unbalanced?

• Balanced

• Unbalanced

Multiple Choice

Are the forces acting on this object balanced or unbalanced?

• Balanced

• Unbalanced

Multiple Choice

Are the forces acting on this object balanced or unbalanced?

• Balanced

• Unbalanced

Multiple Choice

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

• 60 N right
• 10 N left
• 60 n right
• 50 N left

Movement always goes in the direction of the larger force.

​

​I can predict how an unbalanced force affects position, direction, and speed of an object using force models or diagrams

Forces going the same direction - Add
Forces going opposite direction - Subtract
Force in Newtons​

I can explain and calculate net force

Multiple Choice

A wheeled cart is moving to the right at a constant speed.  Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?

• Balanced Forces, Constant Speed
• Balanced Forces, Acceleration
• Unbalanced Forces, Constant Speed
• Unbalanced Forces, Acceleration

Multiple Choice

What is the net force?

• 40 N left
• 0 N Balalnced
• 400 N right
• 40 N right

Multiple Choice

How will this object move? 

• It won't move. 
• It will move to the right. 
• It will move to the left. 
• It will move up. 

Multiple Choice

two forces acting in opposite directions on an object, and do not cause a change in motion; equal in size

• Force

• Balanced Force

• Unbalanced Force

• Inertia

Multiple Choice

Which of the blocks above has balanced forces acting on it?

• A
• B
• C
• D

Multiple Choice

What is the net force?

• 400 N Up
• 400 N Down
• - 400 N Down
• 800 N Down

Multiple Choice

two forces acting on an object and causes a change in motion; not equal in size.

• Force

• Balanced Force

• Unbalanced Force

• Net Force

Multiple Choice

An airplane is travelling North through the sky at a constant speed when turbulence causes it to take a different route, changing its direction. Explain the forces at work on this plane.

• Unbalanced, because the plane is moving forward, not backwards
• Unbalanced, because the speed is constant and there is a change in direction
• Balanced, because the plane is not falling to a lower altitude
• Unbalanced, because the plane is in motion

Multiple Choice

Which could be an example of a balanced force?

• An asteroid moving at a constant speed through space 
• A car accelerating from a stop sign
• A box of dishes falling from a counter 
• A rocket taking off 

Multiple Choice

Which of the following objects will experience an unbalanced force?

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

Using an inclined plane allows you to use less force (N) to lift objects. You are trading less force for more distance.

​

I can identify an inclined plane or ramp

I can describe how inclined planes or ramps can change the amount of force on an object

Multiple Choice

What is this?

• a screw 
• a wedge
• an inclined plane

Multiple Choice

Which inclined plane requires the most effort to push the ball to the top?

Multiple Choice

Which of the following inclined planes would require the least amount of effort to lift a box?

• They all require the same amount of effort.

Multiple Choice

Which of the following is TRUE?

• Ramps increase work

• Ramps make it harder to move things

• Ramps reduce the amount of effort

• Inclined planes are only found in buildings

Multiple Choice

What is a disadvantage of using an inclined plane to lift a heavy object?

• The object must be moved a greater distance.
• It takes less effort to move the object.
• Many objects are difficult to lift straight up.
• Heavy object usually take up more space.

Multiple Choice

Which has the longer distance - straight lift from the ground directly to the back of truck or using an inclined plane?

• Straight lift
• Inclined plane
• They are the same

Multiple Choice

How does using an inclined plane make lifting a load easier?

• it makes the mass levitate upward

• it increases the effort needed to lift a mass

• it decreases the effort needed to lift a mass

• it doesn't help

Multiple Choice

The greatest amount of force is required to move the metal block up which inclined plane?

• A
• B
• C
• D

Multiple Choice

Which of the following will require the least force to move the load up the inclined plane?

Multiple Choice

The inclined plane makes work easier by __________________ the amount of effort that must be applied to raise or lower a load.

• reducing

• increasing

Multiple Choice

All of the following are examples of inclined planes EXCEPT - - -

• an escalator

• an uphill trail

• a slide

• a table

Fill in the Blanks

Multiple Choice

Is a waterslide an inclined plane?

• Yes

• No

I can explain and give an example of Newton’s first law of motion (inertia)

I can explain and give an example of Newton’s second law of motion (F=ma)

I can explain and give an example of Newton’s third law of motion (action-reaction)

I can create an experiment demonstrating Newton’s laws of motion

Multiply mass x acceleration to find the force in Newtons.

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I can calculate the force acting on an object when given the mass and acceleration

Multiple Choice

The diagram below shows a boat moving north in a river at 3m/s while the current in the river moves south at 1 m/s.

How will the boat be affected if it enters a part of the river where the current is moving south at 3 m/s?

• The boat will move slower

• The boat will move faster

• The boat will stop

• The boat will move to the west

Multiple Choice

Some students measure the acceleration of a wheeled cart being acted on by varying forces. The students recorded their data in the table shown above. According to the data table, how much force is acting on the cart when the students measure an acceleration of 2.6 m/s²?

• 13 N

• 7 N

• 8 N

• 12 N

Multiple Choice

For an investigation, a student measures the speed of a art as it rolls down a ramp. The student then records data in the table below.

Which of these best explains the student's data?

• the speed of the cart decreases as the cart rolls down the ramp because of friction between the cart and the ramp

• the speed of the cart increases as the cart rolls down the ramp because the force acting on the cart is greater than the force of gravity

• the speed of the cart increases as the cart rolls down the ramp because the forces acting on the cart are unbalanced

• the speed of the cart decreases as the cart rolls down the ramp because the forces acting on the cart are balanced

Multiple Choice

A planet orbits the Sun at a constant speed while making a circular arc around the star. This is an example of ...

• acceleration

• unbalanced forces

• constant velocity

• net force

Multiple Choice

The diagram below shows a sled moving along a smooth, frictionless track.

In which sections of the track will the sled experience an unbalanced force?

• Sections 1 and 3

• Sections 2 and 3

• Sections 2 and 4

• Sections 3 and 4

Multiple Choice

When a space shuttle was launched, the astronauts on board experienced an acceleration of 29.0 m/s2. If one of the astronauts had a mass of 60.0 kg, what net force in Newtons did the astronaut experience?

• 2.07 N

• 31 N

• 69 N

• 1740 N

Multiple Choice

A student used a video camera to record another student dropping a marble through water in a graduated cylinder. The students watched the video in slow motion and made the observations shown below.

During which part or parts of the marble's fall did the marble experience unbalanced forces?

• Part 1 only

• Parts 1 and 2 only

• Part 3 only

• Parts 2 and 3 only

Multiple Choice

Someone swerved in front of your mom's car on the freeway. Your mom hit the brakes and you were thrown forward until stopped by the seatbelt. The reason you moved forward when the car was slowing down is due to ...

• balanced forces

• speed

• velocity

• inertia

Multiple Choice

A large truck weighing 8000 kg takes longer to accelerate than a small car weighing 1000 kg. This is due to ...

• Newton's 2nd law F=ma

• Newton's 1st law Inertia

• Newton's 3rd law action/reaction

• friction

Multiple Choice

To throw a basket ball and a bowling ball at the same speed, you would need to use ______

• less force on the bowling ball

• more force on the bowling ball

• the same force for both balls

• none of these answers are correct

Multiple Choice

Which law of motion is demonstrated in this picture?

• first

• second

• third

• gravity

Multiple Choice

What law of motion is demonstrated in this picture?

• first

• second

• third

• gravity

Multiple Choice

Which law of motion is demonstrated by the picture shown?

• first

• second

• third

• balanced

Multiple Choice

Sometimes tectonic plates do not move easily past one another, and the plates become stuck. Forces build up, and when the plates finally move, tension is released, as shown below.

The sudden movement of the plates is caused by -

• the mass of the plates

• the weight of the plates

• unbalanced forces

• gravitational force

Multiple Choice

While skateboarding, you push back on the sidewalk with your right foot and move forward on the skateboard with your left foot. This is due to...

• Newton's first law - inertia

• Newton's second law - F=ma

• Newton's third law - action/reaction

• gravity

Multiple Choice

What law of motion does this picture represent?

• Newtons 3rd law
• Newtons 4th law
• Newtons 1st law
• Newtons 2nd law 

Multiple Choice

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 

Multiple Choice

What law of motion does this picture represent?

• Newtons 1st law
• law of gravity 
• Newtons 4th law 
• Newtons 2nd law

Multiple Choice

What Newtons law does this picture represent

• Newtons 2nd law 
• Law of gravity 
• Newtons 1st law
• Newtons 5th law

Multiple Choice

Mass is a measure of an object's inertia. Objects with greater mass have a greater inertia; objects with less mass have less inertia.

• true 
• false 

Multiple Choice

Which activity would BEST demonstrate Newton's law of Inertia?

• A plate sits on a table top.

• A lady pushes a grocery cart.

• A child jumps on a trampoline.

• A boy swings a baseball bat.

Multiple Choice

Which activity would BEST demonstrate the Law of Action/Reaction?

• A car traveling down the road.

• A rocket launching to space.

• A soccer ball sitting on the ground.

• A lady pushing a grocery cart.

Multiple Choice

Which activity would BEST demonstrate the Law of Force and Acceleration?

• A lady pushes a grocery cart.

• A boy swings a baseball bat.

• A soccer ball sits on the ground.

• A rocket launches into space.

Multiple Choice

A jellyfish swims through the water by pulling in water and then pushing the water back out in the opposite direction. This is an example of which law of motion?

• 1st Law

• 2nd Law

• 3rd Law

Multiple Choice

Billy pushes his little brother on a sled through the snow. He then tries to push his father on the the same sled. He noticed that it was much harder to push his father. Which law is this an example of?

• 1st Law

• 2nd Law

• 3rd Law

Multiple Choice

Which law is this picture an example of?

• Law of Inertia

• Law of Force and Acceleration

• Law of Action / Reaction

Multiple Choice

Beth's bike remains stopped at the intersection until she begins pedaling again. Which law is this an example of?

• 1st Law

• 2nd Law

• 3rd Law