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Chapter 9 Robotics > Keywords > Flashcards

Keywords Flashcards

1
Q

Lever

A

A simple machine that uses the turning effect of a force

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3
Q

Fulcrum

A

The point around which a lever turns

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4
Q

Load

A

The resistance motion against which a lever works.

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5
Q

Effort

A

The force used to cause movement in a simple machine.

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6
Q

First class lever

A

A lever with the fulcrum between the effort and the load

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7
Q

Second class lever

A

A lever with the load between the effort and the fulcrum

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8
Q

Third class lever

A

A lever with the effort between the load and the fulcrum

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9
Q

Inclined plane

A

A simple machine that uses upward sloping surfaces to reduce the effort required for a task

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10
Q

Wedges

A

A simple machine, called an inclined plane, that reduces the force required to cut through objects or stop them from moving

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11
Q

Screws

A

A curved inclined plane

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12
Q

Wheel & Axle

A

Machines used to make things move faster=speed multiplyer

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13
Q

Pulleys

A

A special type of wheel and axle that makes it easier for you to lift a load.

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14
Q

Block and tackle

A

A system of pulleys in which there are both fixed and moving pulleys

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15
Q

Gear

A

A toothed wheel and axle that can turn other toothed wheelsq

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16
Q

Bevel gear

A

Gear wheels at right angles to each other that can change vertical to horizontal motion

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17
Q

Idler gear

A

A gear that can be used between the driving and driven gear to make the gears turn in the same direction

18
Q

Rack and Pinion gear

A

Gears that change the movement of driving gears into the upward

19
Q

Driving gear

A

A gear that causes another gear to move

20
Q

Driven gear

A

A gear that is moved by another gear

22
Q

Mechanical advantage

A

The advantage of force-multiplying levers or other machines as defined as load/effort

23
Q

Axle

A

The part of a machine which makes the outer wheel rotate

24
Q

Axle

A

The part of a machine which makes the outer wheel rotate

Chapter 9 Robotics (1 decks)

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