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WorksheetsForces & Friction (May 8)
Total questions: 51
Worksheet time: 2hrs 42mins
Name
Class
Date
1.
Wheels on a skateboard most likely experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
2.
Stephanie (in the picture) is experiencing
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
3.
Wheels of a shopping cart experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
4.
Swimming fish experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
5.
A flying airplane experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
6.
Friction is a force that acts in an _____ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
7.
The rougher the surface, the faster an object will travel over the surface.
a)
True
b)
False
8.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
9.
The amount of friction depends on the weight of the objects pressing together.
a)
True
b)
False
10.
What are 2 factors that determine the amount of friction between 2 objects?
a)
Force and roughness between surfaces
b)
hills and valleys and how smooth or rough the surface is
c)
Amount of force and amount of surface the comes in contact
d)
The force and the weight exerted on the surfaces
11.
The upward force on an object falling through the air is ______.
a)
air resistance
b)
inertia
c)
gravity
d)
terminal velocity
12.
The unit of force is ______.*
a)
grams
b)
liters
c)
newtons
d)
kilograms
13.
Gravitational force exerted on an object
a)
mass
b)
weight
c)
gravity
d)
force
14.
Attractive force that exists between all object that have mass.
a)
mass
b)
weight
c)
gravity
d)
friction
15.
a push or a pull
a)
force
b)
contact force
c)
noncontact force
d)
friction
16.
Why does a rolling ball stop?
a)
Gravity
b)
Friction
c)
Waterfalls
d)
Sand
17.
What is force?
a)
A push exerted on an object
b)
A push or pull exerted on an object
c)
A pull exerted on an object
d)
Nothing
18.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
19.
Which remains consistent no matter where an object is located
a)
mass
b)
weight
20.
How can friction be reduced?
a)
reduce the force acting between the 2 surfaces
b)
reduce the roughness of the 2 surfaces coming in contact
c)
use wax, grease or oil
d)
all of the above are ways of reducing friction
21.
Objects balanced on Timmy's head (they aren't moving) experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
22.
What type of friction is shown in this picture?
a)
Fluid
b)
Sliding
c)
Rolling
d)
Static
23.
Which of the following shows the direction of the friction force?
a)
A
b)
B
c)
C
d)
D
24.
What is the net force?
a)
200N ---->
b)
125N<-----
c)
25N----->
d)
50N<----
25.
Is the force balanced or unbalanced?
a)
Balanced
b)
Unbalanced
26.
What two forces act on a skydiver?
a)
Gravity and Air resistance
b)
Gravity and Falling friction
c)
Gravity and static fricion
d)
Gravity and pull
27.
Speed depends on how far something travels and
a)
how steep its route is.
b)
which direction it travels.
c)
how much time it takes to travel that far.
d)
none of these
28.
Objects moving at the same velocity have the same
a)
size.
b)
speed.
c)
direction.
d)
speed & direction
29.
65 miles per hour North is an example of an objects what?
a)
Speed
b)
Velocity
c)
Average Speed
d)
Constant Speed
30.
Velocity is
a)
speed
b)
direction
c)
speed with a direction
31.
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
32.
A proper quantity showing velocity would be
a)
25 m/s.
b)
30 m south.
c)
15 m/s north.
d)
10 m.
33.
Which is correct?
a)
speed = distance x time
b)
speed = speed divided time
c)
speed = Distance divide time
d)
Speed = time x speed
34.
Speed is different from velocity because
a)
Velocity has a direction
b)
Speed uses Distance /Time
c)
Velocity doesn't include time
d)
Velocity doesn't include distance
35.
A person walked 10 miles. It took them 2 hours. How fast were they walking?
a)
8 mph
b)
5 mph
c)
2 mph
d)
10 mph
36.
What is the average speed of a person who swims 105m in 70s?
a)
10.5 m
b)
70.0 m/s
c)
735 m/s
d)
1.5 m/s
37.
Cheryl cycles at an average speed of 8km/h. How far has she traveled if she cycles for 4 hours?
a)
55km
b)
32km
c)
43km
d)
32miles
38.
Calculate the average speed (in miles per hour) of Cassandra who runs a 18 mile marathon in 6 hours.
a)
24 m/hr
b)
3 m/hr
c)
0.333 m/hr
d)
12 m/hr
39.
A cricket can travel approximately 8 feet per minute. How many feet could a cricket travel in 75 minutes?
a)
83 feet
b)
9.375 feet
c)
180 feet
d)
600 feet
40.
Calculate the distance (in miles) that Daniel bikes if he maintains an average speed of 26 miles/hr for 7 hours
a)
33 miles
b)
3.71 miles
c)
182 miles
d)
676 miles
41.
James walked 14 miles at an average speed of 4 miles/hour. How long did it take him to walk 14 miles?
a)
18 hours
b)
3.5 hours
c)
18,000 minutes
d)
3.5 seconds
42.
A bee can fly at an average rate of 7 miles/hour. If a bee flew nonstop for 18 hours, how far will it have traveled?
a)
126 miles
b)
25 meters
c)
25 miles
d)
0.38 miles/hour
43.
Mr. Wells drove from Georgia to New York, a distance of 1125 miles. The drive took him 25 hours. What was Mr. Wells' velocity?
a)
45 mph West
b)
45 mph North
c)
25 mph
d)
1125 miles per minute
44.
Forrest Gump ran 720 miles in 120 hours. How fast was Forrest Gump running?
a)
72 mph
b)
600 mph
c)
88 miles
d)
6 mph
45.
What unit would I use when measuring time?
a)
seconds
b)
mph
c)
meters/centimeter
46.
What unit would I use when measuring distance?
a)
meters
b)
minutes
c)
meters/centimeter
47.
What unit would I use when measuring distance?
a)
kilometers/hour
b)
kilometers
c)
hour
48.
Which of Newton's laws does this picture represent?
a)
1st
b)
2nd
c)
3rd
49.
Which of Newton's laws is best described by "inertia"?
a)
1st
b)
2nd
c)
3rd
50.
This person bought coffee and put it on the seat next to them. If they stopped quickly and the coffee spilled which law would that represent?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
51.
A student leaves a pencil on a desk and the pencil stays in the same spot until another student picks it up.
a)
Law of Inertia
b)
Law of Acceleration
c)
Law of Conservation of Momentum
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