WorksheetsUnit 3 Review
Total questions: 69
Worksheet time: 49mins
Name
Class
Date
1.
a push or pull exerted by one object or another, possibly causing a change in motion
a)
motion
b)
force
c)
friction
2.
a change in an object's position compared to a reference point.
a)
motion
b)
force
c)
friction
3.
how fast an object's position changes with time
a)
speed
b)
velocity
c)
acceleration
4.
the location of an object compared with things around it
a)
motion
b)
distance
c)
position
5.
a force that opposes the motion of an object in contact with a surface/ Otherwise when two forces rub against each other.
a)
motion
b)
force
c)
friction
6.
the length between two places
a)
distance
b)
position
c)
speed
7.
the tendency of a moving object will continue to move in a straight line
a)
velocity
b)
position
c)
inertia
8.
a physical law stating that an object tends to stay at rest and an object moving in a straight line at a constant speed tends to continue moving that way
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
9.
a physical law stating that an object's acceleration depends on the object's mass and the amount of the net force applied to it
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
10.
a physical law stating that for every action there is an equal and opposite reaction
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
11.
For every action, there is an equal and opposite ________________________________.
a)
friction
b)
reaction
c)
speed
12.
A push or pull on an object is called _______________________________.
a)
force
b)
motion
c)
position
13.
A change in an objects position is called ____________________________.
a)
motion
b)
speed
c)
friction
14.
When you drag a book across a table, you are creating what type of friction?
a)
elastic
b)
compressional
c)
sliding
15.
When net forces are equal in strength and opposite in direction, they are said to be _____________________________.
a)
balanced
b)
unbalanced
c)
equal
16.
Distance divided by time equals _________________________________.
a)
motion
b)
acceleration
c)
speed
17.
What is the unit of measurement for force?
a)
m/s
b)
N, newtons
c)
cm
18.
What causes a abject to eventually come to a stop?
a)
friction
b)
speed
c)
gravity
19.
When a book is sitting on your desk, what forces are at work?
a)
static
b)
sliding
c)
tension
20.
Arrows in the same direction refer to ____________________________.
a)
different velocities
b)
same velocities
21.
Force arrows in opposite directions are ___________________________.
a)
Subtracted
b)
Added
22.
What number represents balanced forces?
a)
0, zero
b)
7, seven
c)
14, fourteen
23.
How do you calculate forces?
a)
If force if moving towards each other, you subtract the forces. If th
b)
If the forces are moving in the same direction, you add the forces.
c)
Both of these are correct.
24.
What is the definition of gravity?
a)
A push or a pull
b)
A force of attraction between object due to their masses.
c)
The distance traveled over time
d)
A label for force
25.
A lion runs 80 meters in 10 seconds, what is his speed?
a)
80m/s
b)
6 m/s
c)
8 m/s
d)
10 m/s
26.
When you have on roller skates, what kind of friction is used?
a)
Rolling
b)
Static
c)
Sliding
d)
Fluid
27.
When a shark swims through water, what kind of friction is used?
a)
Rolling
b)
Static
c)
Sliding
d)
Fluid
28.
If an object is NOT moving, what is true about the forces?
a)
There are no forces.
b)
The forces are balanced.
c)
The forces are unbalanced.
29.
If you have balanced forces, how many Newtons is that?
a)
Negative Newtons
b)
200 Newtons
c)
0 Newtons
30.
On the Picture the balloon pushes the air right. What is the second force in this interaction pair?
a)
The air pulls the ball left
b)
Gravity pulls the balloon down
c)
The air pushes the balloon left.
d)
The air pulls the balloon right.
31.
This is a rocket.The rocket pushes the fuel down.What is the other force in this interaction pair?
a)
The fuel pulls the rocket up.
b)
The fuel pushes the rocket up.
c)
The rocket pulls the earth up.
d)
The earth pulls the rocket down.
32.
Which force is so low that it causes the man to slip and fall?
a)
Gravity
b)
Friction
c)
Air Resistance
d)
Motion
33.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
34.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
35.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
36.
What is the unit of force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
37.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
38.
The force that opposes the motion of two surfaces sliding past each other is called ___________.
a)
acceleration
b)
inertia
c)
friction
d)
unbalanced
39.
for every action there is...
a)
An equal and opposite reaction
b)
An equal and different reaction
c)
a different force
d)
two more forces
40.
If you slow down on your bicycle, you accelerate.
a)
True
b)
False
41.
Which of the following are examples of changing velocity?
a)
Turning left onto Route 50 while moving 35m/s
b)
Traveling at light speed in a rocket in outer space
42.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger
b)
smaller
c)
equal
43.
The force that acts on an object to stop its motion.
a)
Speed
b)
Friction
44.
Friction is a force that acts in a(n) ___________ direction relative to a moving object.
a)
similar
b)
opposite
c)
parallel
d)
perpendicular
45.
What is the unit that measures force?
a)
Weight
b)
Net force
c)
Newton
d)
Kilogram
46.
What type of friction acts on an object that is not yet moving?
a)
Static
b)
Dynamic
c)
kinetic
d)
Rolling
47.
The wheels on a moving skateboard most likely experience ____________.
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
48.
The wheels on a moving skateboard most likely experience ____________.
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
49.
These swimmers are most likely experiencing _________.
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
50.
As the child moves down the slide, they mostly experience the effect of ___________.
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
51.
How would the absence of friction affect a marble traveling on a long, straight path?
a)
The marble’s speed would decrease.
b)
The marble’s speed would increase.
c)
The marble would stop immediately.
d)
The marble would remain at a constant speed.
52.
Which of the following is an example of rolling friction?
a)
pushing a box across the floor
b)
riding a bike down a hill
c)
a hockey player skidding to a stop
d)
a soccer player making a slide tackle
53.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance
b)
mass and volume
c)
distance and weight
d)
weight and mass
54.
As mass increases, what happens to the gravitational force?
a)
It increases.
b)
It decreases.
c)
It stays the same.
d)
It acts as a 3rd degree derivative function.
55.
As the distance between 2 objects increases, what happens to gravitational force?
a)
It increases.
b)
It decreases.
c)
It stays the same.
d)
Only Mr. Silvio knows what will happen.
56.
Which of the following will not change in different gravitational fields?
a)
weight
b)
force
c)
mass
d)
pounds
57.
An object is falling but it is not accelerating. What do you know?
a)
Gravity is stronger than air resistance.
b)
Air resistance is stronger than gravity.
c)
Air resistance is equal to gravity.
d)
The forces of air resistance and gravity are unbalanced.
58.
When does a falling object experienced balanced forces?
a)
When it reaches terminal velocity
b)
During free fall
c)
When it first starts to fall
d)
When it bounces up after hitting the ground
59.
What is the rate at which Earth's gravity accelerates objects in free fall?
a)
9.8 m/s2
b)
3.14159 km/hr/s
c)
13.7 m/s2
d)
42 km/h/s
60.
What is the speed of a car that travels 400 m in 20 minutes?
a)
20 miles/hr
b)
20 m/min
c)
800 m/min
d)
200 miles/hr
61.
What is the speed of a man who runs 10 miles in 1 hr?
a)
20 miles
b)
10 m/min
c)
10 miles/hr
d)
20 hrs
62.
A train travels 25 km in .5 hrs. How fast is the train going?
a)
25 miles/hr
b)
5 miles/hr
c)
125 km/hr
d)
50 km/hr
63.
What is the equation to calculate speed?
a)
speed = distance/time
b)
speed = time/distance
c)
speed = time x distance
d)
speed = speed/time
64.
Which of the following is a unit of time?
a)
km/hr
b)
hr
c)
km
d)
mi
65.
Which of the following is a unit of speed?
a)
km/hr
b)
hr
c)
km
d)
s
66.
Which of the following is a unit of distance ?
a)
miles/hr
b)
hr
c)
km
d)
min
67.
Which of the following is a unit of distance ?
a)
miles/hr
b)
mi
c)
s
d)
min
68.
Which of the following is a unit of time?
a)
sec
b)
mi
c)
m/s
d)
km
69.
Which of the following is a unit of speed ?
a)
sec
b)
mi
c)
m/s
d)
min
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