which simple machine turns about a fixed point called a fulcrum?\n a pulley\n a lever\n a screw\n a wedge
which simple machine turns about a fixed point called a fulcrum?\n a pulley\n a lever\n a screw\n a wedge
Answer
Brief Explanations:
A lever is a simple machine that rotates around a fixed - point called a fulcrum. Pulleys use ropes and wheels, screws are for fastening and wedges are for splitting or lifting by applying force at an angle.
Answer:
B. a lever