Which example represents a class 2 lever?
A.) a car door being opened and shut
B.) tweezers plucking hairs
C.) a screwdriver opening a paint can
D.) salad tongs picking up salad
1 answer
B.) tweezers plucking hairs
A.) a car door being opened and shut
B.) tweezers plucking hairs
C.) a screwdriver opening a paint can
D.) salad tongs picking up salad
1 answer