WorksheetsPractice Final Exam
Total questions: 72
Worksheet time: 1hrs 4mins
The best reference points are stationary (not moving).
true
false
The distance between Nur-Sultan and Almaty is
1 200 kilometres
1 200 centimetres
1 200 millimetres
1 200 metres
The length of this pencil is about
13 km
13 mm
13 m
13 cm
Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his DISTANCE?
10 mi
7 mi
8 mi
6 mi
Distance ÷ Time =
velocity
speed
acceleration
direction
The speed at which an object is moving at a given instant in time.
speed
Instantaneous speed
Average speed
final speed
What is speed?
It is how far you go
It is the distance traveled over a period of time
It is how fast you accelerate
It is the change in the postilion of a object
Match the description to the graph:
"The car is coming back."
Describe the motion in the graph:
Constant Speed (positive slope)
Stopped (at rest)
Acceleration (increasing speed)
Return Home (negative slope)
Describe the motion in the graph:
Constant Speed (positive slope)
Stopped (at rest)
Acceleration (increasing speed)
Return Home (negative slope)
What is the resultant of these two vectors?
+17 m
+3 m
-17 m
-3 m
A vector includes ______ and ________.
direction, magnitude
magnitude, units
direction, units
scalars, scalars
What are the three ways an object can accelerate?
Speed up, slow down or change direction
Go forward, go backward or stop
Turn left, turn right or go straight
distance, displacement or speed
A force that opposes motion between any surfaces that are in contact.
gravity
acceleration
friction
direction
Which type of friction is shown in the picture?
rolling
fluid
static
sliding
Which type of friction is shown in the picture?
fluid
static
rolling
sliding
Which type of friction is shown in the picture?
rolling
static
no friction at all
sliding
This photo represents...
Air resistance
water resistance
friction force between 2 solid bodies
_____________ friction acts on objects that are not moving.
sliding
rolling
static
fluid
Sliding friction is when two _____________ surfaces slide over one another.
liquid
oil
solid
What is a force?
A force
car
A push or pull causing motion
an educated guess
The upward force which is exerted against a falling object is
gravity
terminal velocity
air resistance
intertia
A force which causes objects to fall is
weight
gravity
air resistance
absorbency
A ball thrown straight up takes 8 total seconds to complete its journey all the way up and down. 1 second into its journey and 7 seconds into its journey the magnitude of its velocity will be ______________ and its direction _______________.
opposite, the same
the same, opposite
the same, the same
opposite, opposite
The initial horizontal velocity of a projectile is ____ its final horizontal velocity.
less than
equal to
greater than
Newton's 1st Law is know as the law of _____.
staying in motion
staying at rest
balanced forces
inertia
Objects in motion want to maintain _____.
their same speed
their same location
their same direction.
their same mass.
What is Newton's First Law known as? The Law of
Friction
Mass
Inertia
Gravity
Which type of force(s) will cause a change in an object's motion?
gravity
zero net force
balanced forces
unbalanced forces
Acceleration depends on the object's mass and on the net force acting on the object. What law of motion is this?
1st Law
2nd Law
3rd Law
For every action, there is an equal and opposite reaction.
Newton's
1st
Law of Motion
Newton's
2nd
Law of Motion
Newton's
3rd
Law of Motion
The Law of Conservation of Momentum states:
The total momentum before a collision is equal to the total momentum after a collision.
The total momentum before a collision is greater than the total momentum after a collision.
The total momentum before a collision is less than the total momentum after a collision.
The total momentum before a collision is not related to the total momentum after a collision.
Work is
having a job
movement
energy transfer
energy transfer to an object
The unit of work is
watt
hertz
joule
pascal
The mechanical advantage of a machine without friction. This can be predicted:
IMA
AMA
efficiency
mechanical advantage
The mechanical advantage in a real situation. Measure the true input force and true output force of the machine.
power
efficiency
IMA
AMA
A ___________ is a wheel with a rope wrapped around it that can be used to lift or PULL heavy objects by changing the direction or amount of force.
Lever
Wedge
Pulley
Inclined Plane
When two or more simple machines work together, they become a -
combined machine
compound machine
complex machine
constructed machine
Gravitational Potential Energy comes from ________
The Earth's Gravity
The ability to walk on water
Energy is in motion
Which statement is true.
The further you are from the ground, the gravitational pull increases
The closer you are to the ground, the gravitational pull increases
The further you are from the ground, the gravitational pull descreases
