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Physical Science Quizizz MS Review

Total questions: 87

Worksheet time: 2hrs 24mins

Name
Class
Date
1.

What is a difference between distance and displacement?

a)

Distance is measured in seconds and displacement is measured in meters.

b)

Distance is always shorter than displacement.

c)

Displacement can be equal to zero if the object ends in the place it began in.

d)

Displacement and distance are the same measurement.

2.

An astronaut travels at a speed of 400 m/s for 250 seconds, what is the total distance he traveled?

a)

0.625 m

b)

100,000 m

c)

1.6 m

d)

650 m

3.

A horse follows a dangling carrot for 20 m, if it took her 50 seconds to reach it, what was her average speed?

a)

1,000 m/s

b)

2.5 m/s

c)

0.4 m/s

d)

20 m/s

4.

How many seconds does it take to travel 800 m at a speed of 25 m/s?

a)

32 s

b)

20,000 s

c)

0.03 s

d)

25 s

5.

30 m/s

a)

speed

b)

velocity

6.

18 m/s North

a)

speed

b)

velocity

7.

Jermaine runs exactly 2 laps around a 400 meter circular track. What is the displacement?

a)

800 m

b)

400 m

c)

0 m

d)

200 m

8.

A measure of how far an object has moved in total is...

a)

displacement

b)

distance

c)

motion

d)

reference point

9.

Amy runs 2 miles south, then turns around and runs 3 miles north. What is her displacement?

a)

5 miles

b)

1 miles

c)

2 miles

d)

3 miles

10.

Amy runs 2 miles south, then turns around and runs 3 miles north. What is her distance?

a)

5 miles

b)

1 miles

c)

2 miles

d)

3 miles

11.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
12.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
13.

Match the description to the graph:

"The car is coming back."

a)
b)
c)
d)
14.

Which of the graphs shows that one of runners started 10 yards further ahead of the

other?

a)
b)
c)
d)
15.

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

a)
b)
c)
d)
16.

Segment O-A The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

17.

Segment A-B The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

18.

Segment B-C The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

19.
What is the formula for force?
a)

F=M/A

b)

F=A/M

c)

F=MxA

d)

F=MxF

20.
45 m/s2 is the... 
a)
Mass
b)
Force 
c)
Acceleration
d)
weight
21.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
22.

A 20 kg bike accelerates at 10 m/s2.  What was the force?

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

23.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
24.
A student pushes a box to right with a force of 10N while a young boy pushes the box to the left with a force of 8N. What is the sum of all forces on the box? 
a)
18N left
b)
18N right
c)
2N right
d)
2N left
25.
If net force acting on object is 0, then the force is considered to be..
a)
Balanced
b)
Unbalanced
c)
Equal in Direction
d)
Distance/Time
26.
A cat sitting on couch, a pencil on desk and a car at rest are all example of..
a)
Balanced Force
b)
Unbalanced Force
27.
A car speeding up, a dog slowing down and person turning around the block are examples of..
a)
Balanced Forces
b)
Unbalanced Forces
28.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
29.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
30.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion. 
d)
Friction 
31.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
32.
This equation goes with which law?
a)
Newton's first law of motion
b)
Newton's second law of motion
c)
Newton's third law of motion
d)
None of these
33.
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
a)
first
b)
second
c)
third 
d)
fourth
34.
A person is pushed forward into their seat belt when a car stops.  Which law is this?
a)
1st
b)
 2nd
c)
2 and 3
d)
3rd 
35.
When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?
a)
The cannon moving forward
b)
The cannonball moving forward
c)
The cannon moving backward
d)
The cannonball moving backward
36.
A bike accelerates at 10 m/s2 when a force of 50N is applied.  What is the mass of the bike and its rider?
a)
25 kg
b)
200 kg
c)
20 kg
d)
5 kg
37.
Which of Newton's laws are illustrated with a rocket launch?
a)
1st Law, the Law of Inertia. 
b)
2nd Law, the Law of Acceleration.
c)
3rd Law, the Law of Action Reaction
d)
The Law of Conservation of Mass
38.
Which of Newton's Laws is illustrated with a large mass and a small mass accelerating?
a)
1st Law, the Law of Inertia.
b)
2nd Law, the Law of Acceleration
c)
3rd Law, the Law of Action Reaction
d)
The Law of Conservation of Mass
39.
If 10 mg of iodine 131 is given to a patient, how much is left after 24 days? The half-life of iodine-131 is 8 days.
a)
1.25mg
b)
1.25g
c)
10g
d)
10mg
40.
The half-life of strontium-90 is 25 years. How much strontium-90 will remain after 100 years if the initial amount is 4.0 g?
a)
3.0g
b)
0.25mg
c)
0.3g
d)
0.25g
41.
You have 100 grams of radioactive C-14. The half life of C-14 is 5730 years. 
How many grams are left after 1 half life? 
a)
100 grams
b)
25 grams
c)
2 grams
d)
50 grams
42.
What is Half-life?
a)
The amount of time it takes for some of the nuclei in a sample of the isotope to decay
b)
The amount of time it takes for half the electrons in a sample of the isotope to decay
c)
The amount of time it takes for half the nuclei in a sample of the isotope to decay
d)
the amount of time it takes to double the nuclei in a sample of the isotope to decay
43.
When nuclei decay, massive amounts of __________ is released.
a)
energy
b)
jello
c)
protons
d)
neutrons
44.
What is the half-life of iodine-131?
a)
32 days
b)
8 days
c)
16 days
d)
24 days
45.

What is the Half life of this isotope?

a)

5 seconds

b)

10 seconds

c)

15 seconds

d)

20 seconds

46.

What is the Half Life of this isotope?

a)

3 days

b)

5 days

c)

8 days

d)

10 days

47.

Radioactive carbon-14 is often useful in determining the absolute age of geologic samples because radioactive isotopes

a)

decay at a regular rate

b)

become less stable during decay

c)

remain unchanged over time

d)

stabilize after four half-lives

48.
What is the half-life of iodine-131?
a)
32 days
b)
8 days
c)
16 days
d)
24 days
49.
What is Half-life?
a)
The amount of time it takes for some of the nuclei in a sample of the isotope to decay
b)
The amount of time it takes for half the electrons in a sample of the isotope to decay
c)
The amount of time it takes for half the nuclei in a sample of the isotope to decay
d)
the amount of time it takes to double the nuclei in a sample of the isotope to decay
50.

You apply a force of 18 N on to the end of a lever to open a paint can lid. The

resistance of the lid is 9 N. Calculate the MA.

(a)  

51.

You apply a force on a crowbar to open a stuck door. The effort length of the

crowbar is 26 cm long and the resistance length is 4 cm. Find the MA of the crowbar.

(a)  

52.

A worker uses a board that is 4 m long to pry up a boulder. A small rock is used for

a fulcrum and is placed 0.5 m from the resistance end of the lever. Calculate the MA of the board.

(a)  

53.

The wheel of a small dirt bike has a radius of 30cm. The axle has a radius of 20cm. What is the mechanical advantage of the wheel and axle?

(a)  

54.

You are using a ramp to move a heavy box into a moving truck. If the length of the ramp is 4 m and the height into the truck is 1m, what is the mechanical advantage of the ramp?

(a)  

55.

Calculate the mechanical advantage if 500N force is needed to overcome the load of 1000N.

(a)  

56.

The mechanical advantage of a steering wheel is 15. If the radius of the steering column (axle) is 5cm, what is the radius of the steering wheel?

(a)  

57.

The closer the threads the less force needed but require more turns.

a)

MA of Lever

b)

MA of Screw

c)

MA of Wedge

d)

MA of Pulley

58.

The larger the advantage is the easier it will be to lift the weight..

a)

MA of Lever

b)

MA of Screw

c)

MA of Wedge

d)

MA of Pulley

59.

The sharper the tip and the more gentle the incline of its sides, the more force it will deliver.

a)

MA of Lever

b)

MA of Screw

c)

MA of Wedge

d)

MA of Pulley

60.

How can you decrease the effort force needed to push a weight to the top of the ramp?

a)

cover the surface with carpet

b)

increase the length of the ramp

c)

increase the height of the ramp

61.

the greater the mechanical advantage the less _______ force is required for the machine

a)

work

b)

power

c)

effort

62.

A 62 N box is lifted 12 m off the ground. How much work was done?

a)

567 J

b)

744 J

c)

5.16 J

63.

Force X Distance = _______?

a)

power

b)

work

c)

energy

64.

A machine with a 5-N input force and a 25-N output force has a mechanical advantage of?

a)

2

b)

5

c)

20

65.

the force the machine exerts on an object

a)

input

b)

output

c)

efficiency

66.
If the weight of the block is 10N, how much force does one have to apply to lift it using this pulley (MA=2)?
a)
2N
b)
5N
c)
10N
d)
15N
67.

Which of the lever would it take less force to lift?

a)

Lever A

b)

Lever B

68.
A change in velocity over time is called ___________.
a)
speed
b)
force
c)
acceleration
d)
direction
69.

m/s2 is the unit for.....

a)

Mass

b)

Force

c)

Acceleration

d)

weight

70.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Don't know
71.

which box has more acceleration?

a)

top

b)

bottom

72.

which box has more acceleration?

a)

top

b)

bottom

73.

what happens to the acceleration when the force on an object is doubled?

a)

acceleration also doubles

b)

acceleration becomes half

c)

no change in the acceleration

d)

acceleration becomes zero

74.

what is the correct formula for force?

a)

F=ma

b)

F=maF=\frac{m}{a}

c)

F=amF=\frac{a}{m}

d)

F=a×vF=a\times v

75.

use the triangle to solve the question.

Find the acceleration of a box having mass 10Kg when a force of 20N is applied on it.

a)

1m/s2

b)

2m/s2

c)

10m/s2

d)

5m/s2

76.

use the triangle to solve the question.

Find the force required to move a box having mass 10Kg with an acceleration of 9m/s2 .

a)

10N

b)

90N

c)

100N

d)

20N

77.
What happens when unbalanced forces act on an object at rest?
a)
the object remains at rest
b)
the object begins moving in an unpredictable direction
c)
the object begins moving in the direction of the net force
d)
the object begins moving opposite to the direction of net force
78.

find the acceleration of the box.

a)

12m/s2 towards right

b)

12m/s2 towards left

c)

40m/s2

d)

60m/s

79.

A 20 kg bike accelerates at 10 m/s2. what was the force?

F = m x a

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

80.
45 m/s2 is the... 
a)
Mass
b)
Force 
c)
Acceleration
d)
weight
81.

If the mass of an object is 5 kg, and the acceleration is 2 m/s2. What is the force?

a)

10 N

b)

7 N

c)

3 N

d)

12 N

82.
Billy was driving his car and when he reached the tollbooth he slowed from 190m/s to 12m/s in 20 second.
a)
-8.9m/s²
b)
8.9m/s²
c)
9.8m/s²
d)
-9.8m/s²
83.
The speed boats speed increased from 0m/s to 24m/s in a time span of 12 seconds.
a)
4 m/s²
b)
2 m/s²
c)
8 m/s²
d)
6 m/s²
84.
A motorcycle rider increases his speed from 25 m/s to to 55 m/s in 10 seconds
a)
2.5 m/s²
b)
4 m/s²
c)
3 m/s
d)
3 m/s²
85.
A wagon goes 35 meters and accelerates to 60 meters in 5 seconds. What was the wagon’s acceleration?
a)
25 m/s²
b)
30 m/s²
c)
6 m/s²
d)
5 m/s²
86.
The car was going 80mph on the highway, and lowered to 50 mph in 3 seconds because of an accident. 
a)
-10mph/s
b)
30 mph/s
c)
10mph/s
d)
-30mph/s
87.
A rolling soccer ball decelerated from 22 m/s to 8 m/s in 12 sec.
a)
-1.17 m/s²
b)
.5 m/s²
c)
1.17 m/s²
d)
2 m/s²

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