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WorksheetsIED Unit 4 Test
Total questions: 45
Worksheet time: 57mins
A force whose direction is opposite to the motion of a body.
Effort force
Applied force
Friction force
Linear motion
Periodic motion
Speed
Displacement
How far an object has traveled from its starting point regardless of its starting or ending position.
Distance
Displacement
A force that keeps an object at rest.
Static friction
Sliding friction
Rolling friction
A measurement between the starting position and final position of an object.
Distance
Displacement
What does the image show?
Cam mechanism
Schematics
Automation
Kinematics
The amount of force between two surfaces moving relative to each other.
Sliding friction
Rolling friction
Static friction
Cam mechanisms
Kinematics
Spring force
Schematics
Order the steps of the design process.
Define the problem
Generate concepts
Develop a solution
Construct and test
Evaluate the solute and present the solution
Rotary
Oscillating
Linear
Reciprocating
What is the red one called?
Follower
Axel 1
Axel 2
Dowel Rod
_______is a rotating or sliding piece in a mechanical linkage used especially in transforming rotary motion into linear motion
Rod
Ball
Cam
Stick
What is the blue one called?
Axel
Rod
Peg
Stick
What is the Yellow one called?
Oval
Gear
Cam
Circle
Changing dimensions changes the shape of the model. You can relate dimensions to each other in equations. What is this called?
Dimensioning 2.0
Relationships for Dimensions
Parametric Dimensioning
Pediatric Dimensioning
What is the primary function of a cam mechanism?
To convert rotary motion into reciprocating or oscillating motion
To increase torque in a mechanism
To transmit linear motion without force variation
To store mechanical energy
Which of the following best defines a cam?
A rotating or reciprocating mechanical member that imparts motion to a follower
A stationary component that supports a shaft
A type of gear used in motion transmission
A friction-reducing element in machines
Match each Cam Profile to its corresponding Motion Graph Hypothesis as shown in the image.
Pear
Sharp peak
Circular
Flat line
Heart
Two peaks
Snail
Steady incline and sudden drop
Hexagon
6 Zigzag patterns
Match each Cam Type to the correct Cam Number from the diagram above.
Heart
Cam 3
Snail
Cam 6
Circular
Cam 1
Hexagonal
Cam 4
Eccentric
Cam 2
Which cam is associated with a flat follower and a center of rotation?
Eccentric Cam
Cylindrical Cam
Heart Cam
Snail Cam
What is the name of the cam shown in the diagram?
Pear Shaped Cam
Cylindrical Cam
Heart Cam
Snail Cam
What is the purpose of using parametric modeling techniques in the activity described?
To make the model look colorful
So that your model can be quickly changed to adapt to new criteria
To make the model heavier
To reduce the size of the model
Based on the motion graph hypothesis for the pear shaped cam, what does the peak in the graph represent?
Minimum displacement
Maximum displacement
Constant speed
No movement
Look at the displacement diagram of the eccentric cam. What does the graph represent?
The graph represents the displacement of the follower as the cam rotates.
The graph represents the speed of the camshaft over time.
The graph shows the temperature variation of the cam.
The graph indicates the pressure applied by the cam.
Which is larger, static coefficient or kinetic coefficient of friction?
static
kinetic
neither, they are always the same
it depends on the material
Is is harder to get something moving from rest or keep it moving at a constant velocity?
get it moving
keep it moving
it's always equal
I ran out of cheese
How could you reduce sliding friction?
add wheels to the object
add bacon grease to the object
add glue to the object
add motor oil to the object
add bearings to the object
How could you reduce fluid friction?
add bacon grease to the object
streamline the object
add sandpaper to the object
make the object heavier
When friction is increased an object's speed _______________.
increases
decreases
stays the same
Rough surfaces have _________ compared to smoother surfaces.
greater friction
less friction
the same level of friction
no friction
Battery
Lines
Resistor
bulb
resistor
Ammeter
Voltmeter
Switch
Select the symbol for WIRE
Which schematic circuit matches this circuit picture?
Which schematic circuit matches this circuit picture?
Which schematic circuit matches this circuit picture?
Pick the correct sentence.
This circuit will work because it is a closed circuit.
Energy will freely flow in this circuit.
This circuit will not work because there is no energy source.
This circuit will not work because there is no switch.
An electric current requires which of the following to flow?
A closed path
A switch
An insulator
What are the 3 basic components of a circuit?
Energy source, Load, Energy Pathway
Battery, Energy source, Energy Pathway
Battery, Wire, Energy Pathway
ALL of them
What is a schematic?
A schematic is a type of fruit found only in the Amazon.
A schematic is a type of animal from frozen Siberia
