WorksheetsMotion Unit Review
Total questions: 43
Worksheet time: 29mins
_____ is an object's change in position relative to a reference point.
Motion
Distance
Speed
Force
What do we call the measure of how far an object actually moves or travels (the actual path)?
Motion
Distance
Displacement
Speed
What do we call the change in position of an object from start to finish?
distance
motion
displacement
momentum
Between distance and displacement, which will NEVER be longer than the other?
displacement
distance
____ is a quantity that has both magnitude and direction.
distance
motion
vector
displacement
Which of the following is NOT a vector?
displacement
velocity
acceleration
force
speed
Which two quantities does speed measure?
displacement
momentum
distance
time
What do we call an objects speed AND direction of motion?
momentum
velocity
inertia
vector
When an object changes speed or direction, it is ___
accelerating
balancing
displacing
speeding
When the motion of a body experiences only the force of gravity, it is in ___
Texas
deceleration
free fall
instantaneous velocity
What do we call an action exerted on a body in order to change the body's state of rest or motion?
inertia
acceleration
friction
force
What unit do we use for force?
m/s
N
m/s2
kg
You push on a door with 10 N while someone on the opposite side pushes back with 10 N of force.
These forces are balanced. No motion
You will open the door
The other person opens the door
The forces are balanced. The door will swing back and forth.
When forces are unbalanced, ___
There is no net force
There will be no motion
There will be a positive net force
The object will always experience free fall
Which direction does friction work?
in the same direction of motion
in a direction perpendicular to the motion
in the opposite direction of motion
friction is unrelated to motion
Which type of friction do you feel right before you push your chair across the floor (no motion)?
static
sliding
rolling
fluid
Which type of friction does a submarine experiences as it moves through the ocean?
static
sliding
rolling
fluid
Which type of friction does your shopping cart experience as you push it down the aisle?
static
sliding
rolling
fluid
Which type of friction makes it possible for you to start a fire by rubbing 2 pieces of wood together?
static
sliding
rolling
fluid
What do we call the attractive force that pulls masses together?
free fall
inertia
gravity
momentum
As we increase the mass of an object, what happens to its gravitational pull on its neighboring objects?
It decreases
It increases
It stays the same
Only the earth has a gravitational pull on everything on it
As you increase the distance between 2 objects, the gravitational pull ____
It decreases
It increases
It stays the same
It is squared
What is the horizontal component of projectile motion?
gravity
the angle at the projectile was launched
the force with which the projectile was launched
the air resistance the object experiences
What is the vertical component of projectile motion?
gravity
the angle at which the projectile was launched
the force with which the projectile was launched
the air resistance the projectile experiences
All objects on Earth experience the same acceleration due to gravity.
True
False
Which scientist asked, "Does the moon also fall?" and then discovered gravity?
Aristotle
Galileo Galilei
Michio Kaku
Sir Isaac Newton
"An object at rest remains at rest and an object in motion remains in motion unless acted upon by ___"
an unbalanced, external force
an internal force
only gravity
an internal balanced force
Which of Newton's laws of motion is also called the law of inertia?
1
2
3
4
Which of Newton's laws is also called the law of action and reaction pairs?
1
2
3
4
Which of Newton's laws gave us the formula F = ma?
1
2
3
4
Rockets are propelled through the air by combustion reactions inside their engines (explosions!). Which of Newton's laws describes this phenomenon?
1
2
3
4
In your lab, you pushed a skateboard with a can of wipes on it. The wipes rolled backwards and fell off. This is due to which physics phenomenon?
momentum
friction
inertia
gravity
Which of Newton's laws of motion explains why you feel recoil when you fire a gun?
1
2
3
4
What is the force responsible for keeping you in motion?
inertia
friction
momentum
gravity
Which object has the greatest momentum?
a small toy car
a feather
a bowling ball
a dumptruck
Weight is the same as mass.
True
False
Only on Earth
___ is the force of an object due to gravity.
inertia
friction
weight
mass
Which universal force is responsible for holding atoms together?
weak nuclear
electromagnetism
strong nuclear
gravitational force
Which universal force is responsible for radioactive decay?
weak nuclear
electromagnetism
strong nuclear
gravitational force
Which universal force is responsible for rainbows?
weak nuclear
electromagnetism
strong nuclear
gravitational force
Which universal force is responsible for you falling out of bed?
weak nuclear
electromagnetism
strong nuclear
gravitational force
Which universal force is the weakest?
weak nuclear
electromagnetism
strong nuclear
gravitational force
Which universal force is the strongest?
weak nuclear
electromagnetism
strong nuclear
gravitational force
