1.Which of the following sets of examples is considered a second-class lever?
A. Crowbar, tong
B. Mop, tweezers
C. Pliers, scissors
D. Wheelbarrow, can opener
2.Which BEST describes the characteristics of an inclined plane?
A. It has a fulcrum.
B. It has double sharp edges.
C. It is a modified wheel and axle.
D. It has a flat surface tilted at an angle.
A. Crowbar, tong
B. Mop, tweezers
C. Pliers, scissors
D. Wheelbarrow, can opener
2.Which BEST describes the characteristics of an inclined plane?
A. It has a fulcrum.
B. It has double sharp edges.
C. It is a modified wheel and axle.
D. It has a flat surface tilted at an angle.
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Answer:
1.) C. Pliers, scissors
2.) D. It has a flat surface tilted at an angle.