Joints

By David Justin and Will

Ball-and-Socket Joint

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This is a ball and socket joint because the wheel can spin 360 degrees around

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This is a ball and socket joint because the handle is attached to something inside of it which allows it to move around 360 degrees

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This is a ball and socket joint because the circle thing on the bottom has a ball attached to it that goes inside the leg which allows it to move 360 degrees

Hinge Joint

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This is a hinge joint because it attaches the door to the door way and allows it to move 180 degrees

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The lid to the trash can is a hinge joint because it can move 180 degrees

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The coin flap on the vending machine is a hinge joint because it can move 90 degrees into the the vending machine and 90 degrees out of the vending machine adding up to 180 degrees

Gliding Joint

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The elevator door is a gliding joint because it glides on the track on the top of it to open and close

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The drawers are gliding joints because they glide across the tracks on the bottom of them to open and close

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The rolling cart is a gliding mont because it glides across the floor

Pivot Joint

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the camera is a pivot joint because it rotates

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This is a pivot joint and a gliding join. It is a pivot joint because the wheel rotates

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The trash can flag can be a hinge joint and a pivot joint. It is a pivot joint because the lit has a little pole sticking out of each end that cis into a hole in the trash can that allows it to rotate.