how much distance is covered over a period of time

the change in the location of a object

When a car goes around a corner at 20 mph, why do we say it accelerates?

The car is accelerating because it's changing direction

The car is accelerating because of the velocity is constant

The car accelerates because it's going 20 mph

Cars always accelerate when they are in motion

What is Newtons 1st law of motion?

An object at rest stays at rest unless acted on an unbalanced force. (inertia)

Force= Mass multiplied by acceleration

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

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

Choose the BEST example of acceleration.

A motorcycle slowing from 10km per hour to 5km per hour in 3 seconds.

A runner moving at 5km/hr for 1 hour

A ball rolling at 5km/hr for 100km

A biker moving at 20km/hr for 5km

What happens when an object accelerates?

Its speed and direction do not change

It takes more force to accelerate an elephant than a hawk because a hawk has less mass. This is an example of

Newton's second law, the law of acceleration

Newton's 1st law, the law of inertia

Newton's third law, the law of action reaction

The law of universal gravitation

Which could be an example of an unbalanced force?

A baseball that has been thrown to home plate.

A plate sitting on a dining table

A ball at the top of a hill that is not moving

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

Physics

Authored by Crystal J Phillips

Physics

6th - 8th Grade

NGSS covered

Used 506+ times

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31 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If there are two forces going in the same direction how would you find the net force?

Subtract

Add

Neither

Multiply

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is a force?

the PUSH or PULL on an object

The MOTION an object creates

The objects HITTING one another

Going REALLY FAST

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one is balanced?

Top

Bottom

Both

Cannot be determined

Tags

NGSS.MS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the net force?

17 N Right

3 N Right

3 N Left

17 N Left

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

10 m/s

1000 m/s

100 seconds

10 seconds

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is velocity?

the quickness of an object

the location of an object

acceleration

speed in a specific direction

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Physics

If there are two forces going in the same direction how would you find the net force?

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?

What is a force?

Which one is balanced?

What is the net force?

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

What is velocity?

Acceleration is

What is speed?

What two measurements are necessary for calculating speed?

Access all questions and much more by creating a free account

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