Mechanical Drives

Which is not an example of linkages

• Scaffolding

• Hammer

• Toolbox

• Pantograph

Which one of those shows a linkage

• Scaffolding

• Pen

• Fan

• All of the above

A device used to hold two or more parts together.

• Fastener
• Screw Thread Series
• Key
• Helix

Simple machine that transfers motion from one part of the machine to another

• Inclined Plane
• Gears
• Pulley
• All of them

BIG gears are used for

• More turning power (torque)
• More rotational speed

LITTLE gears are used for

• More turning power (torque)
• More rotational speed

Engineers often pair little gears with big gears to 

• Increase speed
• Increase torque

Which of the following DOES NOT use gears?

• IPHONE
• CAR
• TRAIN
• CLOCK

What does this image represent?

• A pulley

• A wedge

• A lever

• A wheel and axle

What must a pulley have ?

• a rope

• wheel

• axle

• all the above