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Worksheets

Year 9 Physics

Total questions: 68

Worksheet time: 3hrs 24mins

Name
Class
Date
1.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
2.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
3.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
4.
A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
5.
Total distance divided by total time is
a)
average speed
b)
constant speed
c)
instantaneous speed
d)
acceleration
6.
The correct equation to calculate speed is
a)
distance/time
b)
time/distance
c)
distance x time
d)
distance/time2
7.
Find speed when distance is 142 km and time is 2 hours.
a)
71km/hr
b)
52km/hr
c)
17km/hr
d)
90km/hr
8.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
9.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
10.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
11.
Can be measured in meters per second (m/s)
a)
Distance
b)
Time
c)
Speed
d)
Acceleration
12.
Which runner won the race?
a)
A
b)
B
c)
C
d)
It was a tie
13.
Which runner had a head start?
a)
A
b)
B
c)
C
d)
None of them
14.
Total distance divided by total time is
a)
average speed
b)
constant speed
c)
instantaneous speed
d)
acceleration
15.
A wave has wavelength of 10 m and a speed of 340 m/s. What is the frequency of the wave?
a)
34 m/s
b)
3400 Hz
c)
3400 m/s
d)
34 Hz
16.
Frequency is measured in
a)
Newtons
b)
Joules
c)
Hertz
d)
Decibels
17.

Which is the correct equation for calculating the speed of a wave?

a)

T = 1/f

b)

Speed= Wavelength x Period

c)

Speed= Wavelength x Frequency

18.

A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?

a)

500 m/s

b)

50 m/s

c)

5 m/s

19.

What is the speed of a wave with a frequency of 20Hz and a wavelength of 0.4m ?

a)

100m/s

b)

25m/s

c)

8m/s

20.

If a wave is traveling at 60m/s and has a wavelength of 3m. What is the frequency?

a)

10Hz

b)

20Hz

c)

180Hz

21.

What is the frequency of a wave with .15m wavelength traveling at 40m/s?

a)

6m/s

b)

2.66m/s

c)

266.6m/s

22.

What is the wavelength of a wave traveling at 1600m/s and a frequency of 400Hz?

a)

400m

b)

4m

c)

64m

23.

A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?

a)

25 m

b)

125 m

c)

5 m

24.

What are the units of speed?

a)

Hz

b)

m/s

c)

J

25.
A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
26.
Which graph represents the greatest acceleration?
a)
A
b)
B
c)
C
d)
D
27.
Acceleration is
a)
increasing speed
b)
decreasing speed
c)
changing direction
d)
all of the above
28.
Describe the motion
a)
Slow to fast;   Negative direction
b)
Fast to slow;   Negative direction
c)
Fast to slow;   Positive direction
d)
Slow to fast;   Positive direction
29.
What car has the fastest acceleration?
a)
Car goes from 0-60 Mph in 3 seconds
b)
Car goes from 0-60 Mph in 4 seconds
c)
Car goes from 0-60 Mph in 5 seconds
d)
Car goes from 0-60 Mph in 6 seconds
30.
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
31.
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
32.
A boat increases its speed from 16 m/s to 96 m/s in 5 seconds.
a)
10 m/s²
b)
16 m/s²
c)
14 m/s²
d)
12 m/s²
33.
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
34.
In each of the following cases, determine where the car has no acceleration ?
a)
A car shortly after a stoplight turns green.
b)
A car approaching a red light
c)
A car with the cruise control set at 80 km/h
d)
A car moving down a ramp
35.

How much time did it take Matthew to slow down to a complete stop, after traveling at 30 m/s. His acceleration is -12 m/s2

a)

2.5 s

b)

360 s

c)

.4 s

d)

-2.5 s

36.

A car turns right without slowing down. Is this an example of acceleration?

a)

No, acceleration is the increase or decrease in speed.

b)

Yes, because the car changed directions.

c)

Yes, because the car increased it's speed.

d)

No, because the car did not change directions.

37.

If Anthony was running for 300 s after starting at rest, what was his final velocity if he had an acceleration of 0.05 m/s2

a)

.25 m/s

b)

.01 m/s

c)

100 m/s

d)

15 m/s

38.

The unit for Acceleration is usually

a)

m/s

b)

m/s2

c)

m

d)

s

39.

A Ninja motorbike travelling at 55 m/s takes 5 sec to come to rest. What is its deceleration rate?

a)

11 m/s2

b)

-11 m/s2

c)

-11 m/s

d)

10 m/s2

40.
What is the acceleration of a 50 kg object pushed with a force of 500 newtons? To solve this problem you must do - 
a)
500 ÷ 50
b)
50 ÷ 500
c)
500 x 50
41.
What is the acceleration of a 50 kg object pushed with a force of 500 newtons? The answer to this question is most likely (HINT: Look at the units!!!) - 
a)
10 N
b)
10 m/s2
c)
10 kg
42.
A 50 kg skater pushed by a friend accelerates 5 m/s2.  How much force did the friend apply? To solve this problem you must do - 
a)
50 ÷ 5
b)
5 ÷ 50
c)
50 x 5
43.

Select the 4 forces that act on a rocket by checking them.

a)

Speed

b)

Drag

c)

Lift

d)

Thrust

e)

weight

44.

The force that produces lift off or upward movement of a rocket.

a)

thrust

b)

lift

c)

Weight

d)

Drag

45.

Explain how Newton's second law affects a rocket:

a)

A rocket stays at rest until ignition

b)

Gas pushes down, the rocket goes up

c)

The more mass the rocket has the more force it needs to take off

46.
Does this statement best describe a parallel or a series circuit.
 
When more light bulbs are added they all remain bright. 
a)
Parallel circuit
b)
Series circuit
47.
Does this statement best describe a parallel or a series circuit.
 
Different currents flow through each resistor.
a)
Parallel circuit
b)
Series circuit
48.
This is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
49.
What is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
50.
If bulb 1 burns out, what will occur?
a)
bulbs 2 and 3 will go out
b)
bulbs 2 and 3 receive more volts
c)
bulbs 2 and 3 will stay lit
d)
nothing will happen
51.
Is the circuit pictured complete or incomplete? 
a)
Complete
b)
Incomplete
52.
A material in which electrons are not able to move easily is called _______.
a)
Circuit 
b)
Insulator 
c)
Resistance 
d)
Conductor
53.
What is a switch's function in a circuit?
a)
to make the current hotter or colder
b)
turn on and off the flow of current
c)
the pathway that current flows
d)
to add more power to the circuit
54.
This image represents what type of circuit?
a)
open
b)
wire
c)
series
d)
parallel
55.
What kind of circuit is this?
a)
series
b)
parallel
56.

What electrical charge to electrons carry?

a)

Positive

b)

Negative

c)

Neutral

57.

What effect do like (similar) charges have on each other?

a)

They attract

b)

They repel

c)

No effect

d)

They reverse each other

58.
Electricity is the flow of _________.
a)
protons
b)
neutrons
c)
electrons
59.
As the resistance in a circuit increases, the electric current __________.
a)
increases
b)
decreases
c)
stays the same
60.

is the opposition to the flow of charges in a material.

a)

Resistance

b)

Voltage

c)

Time

d)

Current

61.

Speakers need a household voltage of 110 V to push a current of 5.5 A through them. What is the

resistance of the speakers?

a)

10Ω

b)

20Ω

c)

30Ω

d)

40Ω

62.

An IPod uses a standard 1.5 V battery. How much resistance is in the circuit if it uses a current of 0.01A?

a)

50Ω

b)

100Ω

c)

150Ω

d)

200Ω

63.

What is the correct equation linking voltage current and resistance

a)

V = IR

b)

R = VI

c)

I = VR

64.

What is the correct equation linking speed of a wave frequency and wavelength

a)

v = f x λ\lambda

b)

v = f / λ\lambda

c)

v = λ\lambda / f

65.

What is the correct equation for electrical power

a)

P = I x V

b)

P = V / I

c)

P = I / V

66.

State the relationship between work done, power, time taken?

a)

Workdone= timetaken - power

b)

Workdone = power - time taken

c)

Power = workdone / time taken

67.

Velocity = frequency x wavelength

a)

True

b)

False

68.

Power = workdone /time taken

a)

True

b)

False

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