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WorksheetsPOE 1.1 Mechanisms
Total questions: 33
Worksheet time: 17mins
The recognized accreditor for college and university programs in applied science, computing, engineering, and technology is called _______.
ABET
NCAA
AMA
IEEE
The ratio of the magnitude of the resistance and effort forces applied to a system is called _______.
Actual Mechanical Advantage
Velocity Ratio
Ideal Mechanical Advantage
Efficiency
A continuous band of tough flexible material used to transmit motion and power within a pulley system is called a _______.
Belt
Gear
Chain
Sprocket
A profession for which one trains and which is undertaken as a long-term vocation is called a _______.
Career
Hobby
Pastime
Assignment
A series of usually metal links or rings connected to or fitted into one another and used to transmit motion and power within a sprocket system is called a _______.
Chain
Belt
Gear
Pulley
An external force applied to an object is called _______.
Effort Force
Friction Force
Normal Force
Gravitational Force
The ratio of useful energy output to the total energy input, or the percentage of work input that is converted to work output, is called _______.
Efficiency
Power
Force
Momentum
The resistance that one surface or object encounters when moving over another is called _______.
Friction
Gravity
Magnetism
Buoyancy
The fixed point around which a lever rotates is called a _______.
Fulcrum
Pivot
Load
Effort
A circular toothed object used to transfer rotary motion and torque through interlocking teeth is called a _______.
Gear
Pulley
Belt
Chain
The ratio of distance traveled by the applied effort and resistance force within a system is called _______.
Ideal Mechanical Advantage
Actual Mechanical Advantage
Efficiency
Velocity Ratio
A gear positioned between the driver and the driven gear used to change rotational direction is called an _______.
Idler Gear
Spur Gear
Bevel Gear
Worm Gear
A flat surface set at an angle (or incline) with no moving parts that is able to lift objects by pushing or pulling the load is called an _______.
Inclined Plane
Lever
Pulley
Wheel and Axle
A rigid bar used to exert a pressure or sustain a weight at one point of its length by the application of a force at a second point and turning at a third on a fulcrum is called a _______.
Lever
Pulley
Spring
Wedge
The structure of or the relationship of the parts in a machine or in a construction or process comparable to a machine is called a _______.
Mechanism
Material
Energy
Lubricant
The turning effect of a force about a point equal to the magnitude of the force times the perpendicular distance from the point to the line of action from the force is called _______.
Moment
Impulse
Power
Pressure
The distance between adjacent threads in a screw is called _______.
Pitch
Lead
Diameter
Thread angle
A type of lever that is a wheel with a groove in its rim, which is used to change the direction or multiply a force exerted by a rope or cable is called a _______.
Pulley
Inclined plane
Screw
Wedge
Impeding effect exerted by one material object on another is called _______.
Resistance Force
Acceleration
Momentum
Velocity
An inclined plane wrapped around a cylinder, forming the path and pitch, is called a _______.
Screw
Pulley
Lever
Wedge
Any of various elementary mechanisms including the lever, wheel and axle, pulley, inclined plane, wedge, and screw is called a _______.
Simple Machine
Complex Circuit
Chemical Compound
Thermal Conductor
A toothed wheel whose teeth engage the links of a chain is called a _______.
Sprocket
Pulley
Gear
Flywheel
A condition where there are no net external forces acting upon a particle or rigid body and the body remains at rest or continues at a constant velocity is called _______.
Static Equilibrium
Dynamic Equilibrium
Translational Motion
Rotational Inertia
Creating, designing, and transmitting technical information so that people can understand it easily and use it safely, effectively, and efficiently is called _______.
Technical Communication
Technical Drawing
Technical Marketing
Technical Analysis
A force that produces or tends to produce rotation or torsion is called _______.
Torque
Friction
Inertia
Momentum
A substance that tapers to a thin edge and is used for splitting, raising heavy bodies, or tightening by being driven into something is called a _______.
Wedge
Lever
Pulley
Screw
Two differently sized circular objects that are attached together and turn as one are called _______.
Wheel and Axle
Pulley and Belt
Lever and Fulcrum
Gear and Chain
Which VEX component is made of metal, such as flat stock, C-channel & angle iron, and is used in the VEX subsystem to form the skeleton of every robot?
VEX Structure
VEX Sensor
VEX Controller
VEX Motor
Which VEX component is made of plastic, mounts on a piece of structure, and supports an axle?
VEX Bearing Block/Flat
VEX Shaft Collar
VEX Motor
VEX Gear
Which VEX hardware is used to fasten VEX robots together and comes in two sizes, 6-32 and 8-32?
VEX Screw/Bolt
VEX Shaft Collar
VEX Bearing Flat
VEX Gear
Which VEX hardware is used in conjunction with a VEX Screw/Bolt to fasten VEX components together, and comes in two types: one with fiber/plastic in the end and the other with a built-in lock washer?
VEX Nut
VEX Shaft
VEX Gear
VEX Spacer
Which VEX component is octagon shaped on the outside, threaded on both ends on the inside, and is typically used to fasten VEX components together at a specific distance apart?
VEX Standoff
VEX Shaft Collar
VEX Bearing Flat
VEX Angle Gusset
Which VEX component is used to attach VEX motors to other VEX components such as gears, pulleys, or sprockets?
VEX Shaft/Axle
VEX Controller
VEX Battery
VEX Sensor
