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Which example represents a class 2 lever?(1 point)
Responses
a screwdriver opening a paint can
a screwdriver opening a paint can
a car door being opened and shut
a car door being opened and shut
salad tongs picking up salad
salad tongs picking up salad
tweezers plucking hairs
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a car door being opened and shut
Reason: the hinge is the fulcrum, the door's weight/resistance (load) lies between the hinge and the handle, and the effort is applied at the handle — a second‑class lever.
Reason: the hinge is the fulcrum, the door's weight/resistance (load) lies between the hinge and the handle, and the effort is applied at the handle — a second‑class lever.
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