1.1 - Simple Machines

Question 1

ABET

Answer 1

the recognized accreditor for college and university programs in applied science, computing, engineering, and technology.

Question 2

Actual Mechanical Advantage

Answer 2

the ratio of the magnitude of the resistance and effort forces applied to a system.

Question 3

Career

Answer 3

a profession in which one trains and which is undertaken as a permanent calling.

Question 4

Chain

Answer 4

a series of usually metal links or rigns connected to or fitted into one anohter and used to ransmit motion and power within a sprocket system.

Question 5

Effort Force

Answer 5

An external force applied to an object.

Question 6

Efficiency

Answer 6

the ratio of useful energy output to the total energy input, or the percentage of the work input that is converted to work output.

Question 7

Friction

Answer 7

the resistance that one surface or object encounters when moving with over another.

Question 8

Fulcrum

Answer 8

the fixed point around which a lever roates

Question 9

Gear

Answer 9

a circular toothed object used to transfer rotary motion and torque through interlocking teeth

Question 10

Ideal Mechanical Advantage

Answer 10

Ratio of distance traveled by the applied effort and resistance force within a system

Question 11

Idler Gear

Answer 11

A gear positioned between the drive and the driven gear used to change rotational direction

Question 12

Inclined Plane

Answer 12

a flat surface se tat an angle or an incline with no moving parts that is able to lift objects by pushing or pulling the load

Question 13

Lever

Answer 13

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 and turning a a third on a fulcrum.

Question 14

Mechanism

Answer 14

the structure of or the relationship of the parts in a machine, or in a construction or process comparable to a machine

Question 15

Moment

Answer 15

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.

Question 16

Pitch

Answer 16

distance between adjacent threads in a screw

Question 17

Pulley

Answer 17

a type of lever that is a wheel witch a groove in its rim, which is used to change the direction or multiply a force exerted by a rope or cable

Question 18

Resistance Force

Answer 18

impeding effect exerted by one material object on another

Question 19

Screw

Answer 19

An incline plane wrapped around a cylinder, forming the path, and the pitch

Question 20

Simple Machine

Answer 20

any of various elementary mechanisms including the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw

Question 21

Sprocket

Answer 21

a toothed wheel whose teeth engage the links of a chain

Question 22

Static Equilibrium

Answer 22

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

Question 23

Technical Communication

Answer 23

creating, designing, and transmitting technical information so that people can understand it easily and use it safely effectively, and efficienty

Question 24

Torque

Answer 24

a force that produces or tends to produce rotation or torsion

Question 25

Wedge

Answer 25

A substance that tapers to a thin edge and is used for splitting, raising heavy bodies, or for tightening by being drive into something

Question 26

Wheel and Axle

Answer 26

Two different sized circular objects that are attached together and turn as one