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Motion

Total questions: 35

Worksheet time: 35mins

Name
Class
Date
1.

Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?

a)

10 miles

b)

7 miles

c)

8 miles

d)

6 miles

2.

Billy runs 400 meters to Andy's house, turns around, and runs 400 meters back home. What is Billy's displacement?

a)

0 meters

b)

400 meters

c)

800 meters

d)

1600 meters

3.

Jerry walked from home to school, then from the school to the park. What is his total distance?

a)

2 km

b)

5 km

c)

8 km

d)

10 km

4.

Jerry walked from home to school, then from the school to the park. What is his total displacement?

a)

2 km

b)

5 km

c)

8 km

d)

10 km

5.

From the figure, what is the displacement?

a)

20 meters

b)

25 meters

c)

15 meters

d)

25 meters NE

6.
Ivan walks 10 meters west to the water fountain, then runs 2 meters east to his class to avoid a lockout. His displacement would be:
a)
8 meters
b)
8 meters, east
c)
8 meters, west
d)
12 meters
7.

What describes a vector best?

a)

Magnitude

b)

Magnitude and unit

c)

Magnitude, unit, and direction

d)

Direction

8.
A scalar is a magnitude _____.
a)
With direction.
b)
Without direction.
9.
A deer running 15 meters per second due west.Vector or scalar?
a)
Scalar
b)
Vector
10.
Wind blowing at 20 mph.Vector or scalar?
a)
Scalar
b)
Vector
11.

Distance ÷ Time =

a)

velocity

b)

speed

c)

acceleration

d)

direction

12.

The SI unit for speed is_______.

a)

meters per second

b)

miles per hour

c)

miles per second

d)

meters per hour

13.

Speed in a given direction is the definition of:

a)

Speed

b)

Velocity

c)

Acceleration

d)

Direction

14.

A bird flying south at 64 km/hr is an example of:

a)

Speed

b)

Velocity

15.

A car traveling 300 miles in 5 hours is an example of:

a)

speed

b)

velocity

16.

A train travels 500 km north in 2 hours. What is the train's velocity?

a)

250 km/hr

b)

250 km/hr north

c)

500 km/s

d)

500 km/s north

17.

A Lego car travels 3 meters in 3.7 seconds. What is the car's speed?

a)

0.81 m/s

b)

0.81

c)

1.23 m/s

d)

1.23

18.

A ship sails 5,635 km west in 3.5 months. What is the ship's velocity?

a)

1,610 km/m

b)

1,610 km/m west

c)

2.2 km/hr

d)

2.2 km/hr west

19.

Velocity depends on both distance and direction

a)

True

b)

False

20.

How long was a car traveling if it went 90 miles at a speed of 45 mi/hr?

a)

1 hour

b)

2 hours

c)

3 hours

d)

4 hours

21.
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
22.
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
a)
100 m/s2
b)
25,000 m/s2
c)
10 m/s2
d)
25 m/s2
23.
Acceleration is defined as the CHANGE in 
a)
time it takes for one place to move to another place. 
b)
velocity of an object.
c)
distance divided by the time interval 
d)
velocity divided by the time interval 
24.
A negative acceleration means that your object is _____. 
a)
Going to Wal-mart 
b)
running for president 
c)
speeding up 
d)
slowing down 
25.

Which of the following would be considered an acceleration?

a)

An object speeding up

b)

An object moving with a constant velocity

c)

An object slowing down

d)

An object standing still

e)

An object changing direction

26.
Determine the momentum of 1000-kg car moving northward at 20 m/s......... 
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s
d)
20000 kg * m/s north
27.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
28.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
29.
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
30.
A 9300 kg railroad car traveling at a velocity of 5 m/s strikes a second boxcar that weighs 5000 kg at rest. At what speed will the second boxcar move?
a)
18.6 m/s
b)
9.3 m/s
c)
7.5 m/s
d)
1.86 m/s
31.

Which of the following is the unit for momentum?

a)

kg·m/s

b)

kg·m

c)

kg·m/s2

d)

Momentum has no unit.

32.

Calculate the momentum of a 55-kg running back moving westward at 10 m/s.

a)

550 kg·m/s, west

b)

550 kg·m/s

c)

550 m/s, west

d)

550 kg, west

33.

Calculate the momentum of a 1200-kg truck moving northward at 30 m/s.

a)

36000 kg·m/s, north

b)

400 kg·m/s, north

c)

36000 kg·m/s

d)

400 kg·m/s

34.

A runner has a momentum of 720 kg m/s and is travelling at a velocity of 9 m/s. What is his mass?

a)

80 kg

b)

6030 kg

c)

0.0134 kg

d)

10 kg

35.

If an object velocity is 0 m/s which of the is true.

a)

The object has momentum

b)

The object's momentum is changing

c)

The object has NO momentum