CRANE

PULLEY

• Location: at the end of the crane arm.
• Picks up heavy objects we can lift ourselves
• Forces: Gravity,

CRANE HOOK

• The crane hook is a wedge.
• The crane hook slides into something to pick it up.
• Forces:Gravity

TRACK

• Wedge.
• The tracks wedge into the ground and make friction in order to move in muddy land
• Forces: Gravity & friction

WHEEL & AXLE.

• A axle spins the wheel other wise there's no force moving the crane.
• Forces: friction &

LEVER

• A lever is a item that you have to push or pull to move
• Forces, power