Quiz about 7.P.1 Review - Forces and Motion

Question 1

A location to which you compare another location is known as a ___________ ___________.

Accepted Answer

Reference Point

Answer

Unbalanced Force

Answer

Relative Motion

Answer

Actual Motion

Question 2

The force that resists motion between two surfaces is called ____________.

Accepted Answer

Friction

Answer

Force

Answer

Gravity

Answer

Inertia

Question 3

The measure of the distance an object moves over a period of time is _______.

Accepted Answer

Speed

Answer

Inertia

Answer

Motion

Answer

Force

Question 4

Use the triangle formula to help you solve the problem.
Calculate the speed for a car that went a distance of 125 kilometers in 2 hours time.

Accepted Answer

62.5 km/hr

Answer

62.5 mph

Answer

250 mph

Answer

250 km/hr

Question 5

___________ is the change in position over time.

Accepted Answer

Motion

Answer

Speed

Answer

Force

Answer

Friction

Question 6

Is this an unbalanced or balanced force?
Which way will the box move?
What is the net force?

Accepted Answer

Unbalanced, right, 9 N

Answer

Unbalanced, right, 3 N

Answer

Balanced, right, 9 N

Answer

Unbalanced, left, 3 N

Question 7

Use the triangle formula to help you solve the problem.
How much time does it take for a bird flying at a speed of 45 kilometers per hour to travel a distance of 1,800 kilometers?

Accepted Answer

40 hours

Answer

40 kilometers/hour

Answer

40 seconds

Answer

40 kilometers

Question 8

Is this an unbalanced or balanced force?
Which way will the box move?
What is the net force?

Accepted Answer

Unbalanced, right, 1 N

Answer

Balanced, right, 7 N

Answer

Balanced, left, 1N

Answer

Unbalanced, right, 15 N

Question 9

In which of the following graphs below are both runners moving at the same speed?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 10

Use the triangle formula to help you solve the problem.
Mr. Aldridge can run at a speed of 8 miles per hour. If he runs for 1 hour and 30 minutes training for the Sami 5k, how far will he run?

Accepted Answer

12 miles

Answer

5.33 mph

Answer

12 mph

Answer

5.33 miles

Question 11

Which graph represents a car coming back home?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 12

Which graph represents a car returning to its starting point at a constant speed?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 13

At what time interval is the person moving at a constant speed?

Accepted Answer

Between 0-6 seconds

Answer

Between 6-11 seconds

Answer

Between 11-18 seconds

Answer

At 14 seconds

Question 14

On a distance time graph, the x axis is always labeled...

Accepted Answer

Time

Answer

Distance

Answer

Speed

Answer

Inertia

Question 15

Is this an unbalanced or balanced force?
Which way will the box move?
What is the net force?

Accepted Answer

Unbalanced, left, 4 N

Answer

Unbalanced, left, 12 N

Answer

Unbalanced, right, 4 N

Answer

Balanced, left, 4 N

Question 16

Who won the 25 mile race?

Accepted Answer

Priscah Jeptoo

Answer

The Real John Lee

Answer

Fake John Lee

Answer

They tied

Question 17

What is happening between point C and D?

Accepted Answer

The object is returning to its starting position

Answer

The object is decelerating

Answer

The object is slowing down

Answer

The object is accelerating

Question 18

What is happening between points A and B?

Accepted Answer

The object is moving at a constant speed

Answer

The object is accelerating

Answer

The object is at rest

Answer

The object is moving towards its starting position

Question 19

Which object allows us to determine that the train is in motion?

Accepted Answer

The trees

Answer

The sky

Answer

The passengers

Answer

The windows on the train

Question 20

Which graph best depicts someone waiting on the bench waiting to be put in a soccer game?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 21

What causes motion?

Accepted Answer

Unbalanced forces

Answer

Balanced forces

Answer

Acceleration

Answer

Velocity

Question 22

Cody travelled 36 km at a speed of 8 km/h. Grant travelled 48 km at a speed of 10 km/h.
Whose journey was quickest?

Accepted Answer

Cody's

Answer

Grant's

Question 23

When you jump off the ground, you put force on the ground and....

Accepted Answer

the ground puts equal and opposite force back on your feet.

Answer

the ground doesn't put force on you.

Answer

the ground puts less force back on your feet.

Answer

the ground puts more force back on your feet.

Question 24

The measure of the distance an object moves over a period of time is __________.

Accepted Answer

Speed

Answer

Friction

Answer

Motion

Answer

Force

Question 25

What is happening between points A and B?

Accepted Answer

The object is moving at a constant speed away from home

Answer

The object is moving up the hill

Answer

The object is at rest

Answer

The object is moving at a constant speed towards home

Question 26

If a basketball is sitting still on the ground. Which of the following describe the forces acting on the basketball?

Accepted Answer

The basketball is putting force on the ground and the ground is putting force on the basketball. All forces are balanced.

Answer

There are no forces acting on the basketball because it's at rest.

Answer

The basketball is putting force on the ground.

Answer

The ground is putting force on the basketball and gravity is forcing the ball down.

Question 27

What unit do scientists use to measure force?

Accepted Answer

Newtons

Answer

Distance

Answer

Time

Answer

Pounds

Question 28

Which of the following is a unit of speed?

Accepted Answer

Millimeters/second

Answer

Seconds

Answer

Millimeters

Answer

Newtons

Question 29

Which of the following is a unit of time?

Accepted Answer

Seconds

Answer

Millimeters

Answer

Newtons

Answer

Millimeters/second

Question 30

Which of the following is a unit of distance?

Accepted Answer

Meters

Answer

Hours

Answer

Newtons

Answer

Meters/hours

Question 31

Katie was riding a Bird scooter. She was going 10 miles/hour down the road when she passed Jordan who was sitting on a bench. Who or what is the reference point in this scenario?

Accepted Answer

Jordan

Answer

Katie

Answer

the road

Answer

the scooter

Question 32

On a distance time graph the y axis is always labeled...

Accepted Answer

Distance

Answer

Time

Answer

Speed

Answer

Newtons

Question 33

What is happening to the car between 10 and 20 seconds?

Accepted Answer

It is at rest (not moving).

Answer

It is moving at a constant speed away from home.

Answer

It is moving at a constant speed towards home.

Answer

It is experiencing variable speed away from home.

Question 34

At which stage is the person moving fastest?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 35

At which stage is the person furthest away from the starting point?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 36

The red line represents Carson's movement in a 50 km bike race and the green line represents Ja'Lyah's movement in the same race. Who won the race?

Accepted Answer

Ja'Lyah

Answer

Carson

Answer

They tied

Answer

This graph does not show who won.

Question 37

Which answer choice below best describes what is happening to this go kart's movement between 20 and 40 seconds?

Accepted Answer

The time is increasing but the distance is not. So the go kart is not moving.

Answer

The distance is increasing but the time is not. So the go kart is not moving.

Answer

The distance and time are increasing together, so the go kart is moving at a constant speed.

Answer

Both the distance and time are increasing but the time is increasing faster, so the go kart is not moving.

Question 38

Which of the following answer choices best describes what is happening to this object?

Accepted Answer

The object is being pulled in different directions with the same amount of force, so the net force is 0 N.

Answer

The object is being pulled in the same direction with the same amount of force, so the net force is 0 N.

Answer

The object is being pulled in the same direction with the same amount of force, so the net force is 10 N.

Answer

The object is being pulled in different directions with the same amount of force, so the net force is 10 N.

Question 39

What is the net force? What direction will the box move?

Accepted Answer

4 N, left

Answer

0 N, left

Answer

0 N, right

Answer

4 N, right

Question 40

What is the net force? What direction will the box move?

Accepted Answer

6 N, left

Answer

3 N, left

Answer

3 N, right

Answer

6 N, right

Question 41

Is person A or B moving faster?

Accepted Answer

A

Answer

B

Answer

Trick question! They're moving at the same speed.

Question 42

Phelpie the Fish loves to race around the pond, which is .5 miles around. If he can swim 20 laps in 2 hours, what is his speed?

Accepted Answer

5 miles per hour

Answer

10 miles

Answer

10 miles per hour

Answer

5 miles

Question 43

A car is traveling 60 miles/hr for 10 hours. How far did the car travel?

Accepted Answer

600 miles

Answer

600 miles per hour

Answer

6 miles

Answer

60 miles per hour

Question 44

On a distance-time graph the steeper the line, the....

Accepted Answer

faster the speed of the object

Answer

slower the speed of the object

Answer

further the object is getting from home

Answer

closer the object is getting to home

Question 45

The first law of motion states....

Accepted Answer

That objects will only move or stop moving when unbalanced forces act on them.

Answer

That objects will only move or stop moving when balanced forces act on them.

Answer

That objects will only have inertia when at rest.

Answer

That objects will have more force when they're moving slower.

Question 46

Which of the following represents a place with very little friction?

Accepted Answer

An ice skating rink

Answer

A dry road

Answer

A road with pebbles

Answer

A sandy beach

Question 47

When you paddle a canoe, the canoe goes forward. This example is MOST DIRECTLY an example of which Law of Motion?

Accepted Answer

For every force there's an equal and opposite force

Answer

An object at rest will stay at rest

Answer

Inertia

Question 48

John walks at a steady speed of 3 mph. How long will it take him to travel 18 miles?

Accepted Answer

6 hours

Answer

6 minutes

Answer

6 mph

Answer

6 meters

Question 49

Melanie completes a long distance run at an average speed of 6 mph. If it takes her 3 hours, how far did she run?

Accepted Answer

18 miles

Answer

2 miles

Answer

2 miles per hour

Answer

18 miles per hour

Question 50

Team Innovate is competing in a tug of war competition. Mr.Papile's class is pulling East with a total force of 20 N. Ms. Buie's class is pulling West with a total force of 30 N. Who is winning? Which direction is the rope moving? What is the net force?

Accepted Answer

Ms. Buie's class (obviously), West, 10 N

Answer

Ms. Buie's class (obviously), East, 10 N

Answer

Ms. Buie's class (obviously), West, 50 N

Answer

Ms. Buie's class (obviously), East, 50 N

Question 51

Team Innovate is competing in a tug of war competition. Mrs. Brown's class is pulling North with a total force of 20 N. Ms. Buie's class is pulling South with a total force of 20 N. Who is winning? Which direction is the rope moving? What is the net force?

Accepted Answer

No one is winning yet, not moving, 0 N

Answer

Ms. Buie's class, South, 20 N

Answer

Ms. Buie's class, South, 40 N

Answer

Mrs. Brown's class, North, 0 N

Answer

Mrs. Brown's class, North, 20 N

Question 52

When you slide a box across the floor what force must your push be stronger than in order for the box to move?

Accepted Answer

Friction

Answer

Speed

Answer

Inertia

Answer

Air resistance

Question 53

Seatbelts are effective in keeping passengers safe because they work against the force of...

Accepted Answer

Inertia

Answer

Friction

Answer

Air resistance

Answer

Newtons

Answer

Net force

Question 54

Car brakes are effective in slowing the car down because they use the force of...

Accepted Answer

Friction

Answer

Speed

Answer

Inertia

Answer

Air resistance

Question 55

If you slip on the ground and fall it is likely because the ground had a lack of which force?

Accepted Answer

Friction

Answer

Air resistance

Answer

Gravity

Answer

Inertia

Question 56

______________ cause motion. An object will not move without it.

Accepted Answer

Unbalanced forces

Answer

Balanced forces

Answer

Inertia

Answer

Speed

Question 57

What was our Competency for this unit???

Accepted Answer

Student can integrate information expressed in a text with the graphical representation of motion.

Answer

Student can draw evidence from informational texts to support research on the structures and functions of living things.

Answer

Student can use multimedia and visual displays to explain transformation and conservation of energy in mechanical systems.

Answer

Student can present claims and finding on the effects of the atmosphere on humans.

Question 58

The hurricane moved 20 miles west of Raleigh. It is still raining in Wilmington and in most of South Carolina. What is the reference point?

Accepted Answer

Raleigh

Answer

Wilmington

Answer

South Carolina

Answer

The hurricane

Answer

West

Question 59

On Sunday morning, Jamari sets his coffee cup on top of the comic book. His little brother watches carefully, afraid that Jamari will spill the coffee on his favorite book. What/who is the reference point?

Accepted Answer

Comic book

Answer

The coffee

Answer

Jamari

Answer

Little brother

Question 60

In a football game, Cam runs past the 20 yard line. His teammate is sitting on the bench beside the water cooler. What/who is the reference point?

Accepted Answer

20 yard line

Answer

Football game

Answer

Cam

Answer

Teammate

Answer

Water cooler

Question 61

What is happening to the object's movement at line segment E?

Accepted Answer

The object is moving toward the starting point at a constant speed.

Answer

The object is moving away from the starting point at a variable speed.

Answer

The object is moving toward the starting point at a variable speed.

Answer

The object is moving away from the starting point at a constant speed.

Question 62

What is happening to object D's movement?

Accepted Answer

It is speeding up, moving away from the starting point

Answer

It is slowing down, moving away from the starting point

Answer

It is speeding up, moving toward the starting point

Answer

It is slowing down, moving toward the starting point

Question 63

Forces can cause an object's ____________ and ____________ to change.

Accepted Answer

speed, direction

Answer

speed, air resistance

Answer

friction, inertia

Answer

direction, inertia

Question 64

Which of these graphs shows that one of runners started 10 yards ahead of the other runner?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

7.P.1 Review - Forces and Motion

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