Mechanical Components - Recall

Speed = Distance / Time is the equation for which type of motion?

• Velocity Ratio

• Linear Speed

• Rotary Speed

• Reciprocating Motion

What type of motion is associated with a water pump?

• Reciprocal

• Linear

• Oscillatory

• Rotary

An electric toothbrush head moves in which type of motion?

• Oscillatory

• Reciprocal

• Linear

• Rotary

What is a fulcrum?

• The amount of effort needed to lift something

• The amount of load we might be lifting

• The pivot point in a lever system

• The correct name for a pulley

Which phase lever is a wheelbarrow?

• First Phase

• Second Phase

• Third Phase

• Its not a lever

Which three components make up a lever system?

• Load, effort and fulcrum

• Load, effort, force

• Gear, pulley, cam

• Velocity, speed, distance

Which of these is NOT a type of cam mechanism?

• Snail

• Pear

• Roller

• Drop

If the load is 300N and there are 3 load-bearing lengths of rope in between the pulleys, how much effort is required?

• 900N

• 30N

• 100N

• 600N

If the output gear has 12 teeth and the input gear has 48 teeth, what is the gear ratio?

• 0.25

• 4

• 60

• 480

Which of these products would not use a gear?

• Sewing machine

• Hand Drill

• Car

• Radio