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SMART GOALS Practice

Total questions: 55

Worksheet time: 3hrs 45mins

Name
Class
Date
1.
What equation do I use to calculate speed?
a)
S = D/T
b)
T = D/S
c)
D=TS
2.
What equation do I use to calculate time?
a)
S = D/T
b)
T = D/S
c)
D=TS
3.
What key word tells me I'm measuring speed?
a)
how fast
b)
how far
c)
how long
4.

What key words tell me I'm measuring time?

a)

how fast

b)

how far

c)

how long

5.

What key words tell me I'm measuring distance?

a)

how fast

b)

how far

c)

how long

6.

What unit could I use when measuring speed?

a)

m/sec

b)

meters

c)

seconds

7.

What unit could I use when measuring time?

a)

m/sec

b)

meters

c)

seconds

8.
What unit would I use when measuring distance?
a)
m/sec
b)
meters
c)
seconds
9.
What unit would I NOT use when measuring speed?
a)
mph
b)
m/sec
c)
ft/min
d)
min
10.

A train travels 25 km in 0.5 hrs. How fast is the train going?

a)

25 miles/hr

b)

5 miles/hr

c)

125 km/hr

d)

50 km/hr

11.

A car travels 30 miles/hr for 3 hours. Calculate the distance it will travel.

a)

90 miles

b)

10 miles

c)

600 miles

d)

90 km

12.
A boat travels at 22 km/hr for 10 hrs, what distance will it travel?
a)
220 miles
b)
2.2 km
c)
220 km
d)
22 km
13.
Dave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?
a)
400 minutes
b)
100 minutes
c)
100 seconds 
d)
.25 seconds 
14.
Mr. Hoppe drives his race car for 4 hrs at 150 miles/hr. How far will he travel?
a)
600 km
b)
60 miles
c)
6 miles
d)
600 miles
15.

If you are test-driving a Bugatti Veyron and you go from 0 km/s to 124 km/s in 3.7 seconds, what was your acceleration?

a)

33.5 km/s2

b)

0.03 km/s2

c)

-33.5 km/s2

d)

-0.03 km/s2

16.
A marble rolling at 10 m/s slows to 2 m/s in 16 seconds. What is the acceleration of the marble?
a)
0.5 m/s2
b)
2 m/s2
c)
-0.5 m/s2
d)
-2 m/s2
17.

What is the final velocity of a rocket that travels for 4 seconds, has an initial velocity of 12 km/s and an acceleration of negative 2 km/s2?

a)

-4 km/s

b)

10 km/s

c)

4 km/s

d)

-10 km/s

18.

Work done = Force x __?__

a)

a. distance

b)

b. acceleration

c)

c. velocity

d)

d. speed

19.
How is gravity affected by mass?
a)
the larger the mass of the object, the greater the gravity
b)
small objects have no gravity
c)
gravity is not affected by mass of objects, whether large or small
20.
What is the standard unit force is measured in?
a)
Newtons
b)
pounds
c)
grams
d)
meters
21.
How much work is being done with 200 N of force over 426 meters?
a)
85,200 J
b)
45,620 J
c)
90,480 J
d)
62,329 J
22.
The SI unit of work is?
a)
Joules
b)
Watts
c)
Newtons
d)
meters
23.
Fred kicks a ball with a force of 20N to George, who is 5M away. How much work was done to the ball?
a)
25J
b)
100J
c)
4J
d)
75J
24.
Which of these is a measurement of power?
a)
100 joules
b)
100 watts
c)
100 meters per second
d)
100 hertz
25.
You do 90 joules of work in 30 seconds. How much power have you generated?
a)
30 watts
b)
3 watts
c)
120 watts
d)
270 watts
26.
You move an 8-newton weight five meters in 4 seconds. How much power have you generated?
a)
160 watts
b)
10 watts
c)
6.4 watts
d)
17 watts
27.
Which of the following would produce the most power?
a)
A mass of 10 kilograms lifted 10 meters in 10 seconds 
b)
A mass of 10 kilograms lifted 10 meters in 5 seconds
c)
A mass of 5 kilograms lifted 10 meters in 5 seconds
d)
A mass of 5 kilograms lifted 5 meters in 10 seconds
28.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
29.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
30.
A 9 kg blob moving at 5 m/s collides and sticks to a second blob with a mass of 5 kg. If the two bobs stick together, what will the velocity of the two blobs move at?
a)
3.57 m/s
b)
3.2 m/s
c)
10.0  m/s
d)
9.0  m/s
31.
Which object listed below has the greatest momentum?
a)
A 0.05 kg object rolling at 0.2 m/s.
b)
A 0.15 kg object rolling at 2 m/s.
c)
A 0.15 kg object rolling at 1 m/s
d)
A 0.4 kg object rolling at 2 m/s.
32.

If an object has a mass of 20 kg and a velocity of 4 m/s, what is the momentum of the object?

a)

80 kgm/s

b)

4 kgm/s

c)

5 kgm/s

d)

.2 kgm/s

33.
Rearrange the equation for kinetic energy to make mass the subject of the equation.
a)
m = KE/2v2
b)
m = 2KE/v2
c)
m = v2/2KE
d)
m = 2v2/KE
34.
The SI unit in which kinetic energy is measured is 
a)
Newton
b)
Kilogram
c)
Joules
d)
Metres per second
35.
Calculate the kinetic energy of a moving 4 kg object travelling at a velocity of 3 m/s.
a)
18 J
b)
36 J
c)
12 J
d)
6 J
36.
How much kinetic energy does a moving 6 kg object have if it moves with a velocity of 3 m/s?
a)
27 J
b)
18 J
c)
9 J
d)
2 J
37.
What is the kinetic energy of a 4kg shotput thrown with a velocity of 13m/s
a)
676 J
b)
3.25 J
c)
17J
d)
338 J
38.
Energy that is stored is called...
a)
Kinetic
b)
Potential 
39.
What does this tool measure?
a)
weight
b)
meters
c)
mass
d)
force
40.
What does this tool measure?
a)
weight
b)
meters
c)
mass
d)
force
41.
Which objects have a STRONG force of gravity?
a)
Objects with GREATER mass, like elephants
b)
Objects with LESS mass, like mice
42.
What is the SI unit used to measure force? 
a)
pounds 
b)
grams 
c)
newtons 
d)
friction
43.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
44.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
45.
If the mass of an object on Earth is 18 grams, what would the mass of the same object be on the Moon?
a)
18 g
b)
4 g
c)
0 g 
d)
32 g 
46.
A child has a mass of 30 Kg on Earth. If the gravity on Moon is one sixth that of the Earth what is the mass of the child on Moon? 
a)
30 Kg
b)
180 Kg
c)
5 Kg
d)
0 Kg
47.

If an object's mass is 30 Kg on the Earth, what would be its scientific weight on Earth? (F= ma, and a = gravity.)

a)

2.94 N

b)

294 N

c)

2,940 N

d)

30 kg

48.

How much gravitational potential energy does a 100kg (220lb.) skydiver have if they jump from 4000 meters? (use 9.8 m/s2 for gravity)

a)

3920000 J

b)

294 J

c)

180000 J

d)

1225 J

49.

A 6kg cat misjudges a jump and falls 5 meters. How much gravitational potential energy does the cat have? (The cat is fine by the way.)

a)

294 J

b)

180000 J

c)

1225 J

d)

3920000 J

50.

A 50kg (100lb) person is running at 7m/s (about 16 mph). How much kinetic energy do they have?

a)

1225 J

b)

180000 J

c)

294 J

d)

3920000 J

51.

What is the unit for distance?

a)

kilogram (kg)

b)

meter (m)

c)

Newton (N)

d)

Joule (J)

52.

What is the unit for force?

a)

kilogram (kg)

b)

meter (m)

c)

Newton (N)

d)

Joule (J)

53.

What is the unit for energy?

a)

kilogram (kg)

b)

meter (m)

c)

Newton (N)

d)

Joule (J)

54.

What is the formula for acceleration?

a)

distance / time

b)

mass x acceleration

c)

velocity / time

d)

½(mass) x (velocity)2

e)

(mass) x (acceleration of gravity) x (height)

55.

What is the formula for gravitational potential energy?

a)

distance / time

b)

mass x acceleration

c)

velocity / time

d)

½(mass) x (velocity)2

e)

(mass) x (acceleration of gravity) x (height)

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