Activity 1 Remember Me! Directions: Choose the letter of the correct answer 1. The wheelbarrow is a _____ class lever because the ____ is in the middle of the two other important points.
A. 1st fulcrum B. 2nd load C. 3rd effort D. 2nd effort
2. Will it be possible for a girl in a seesaw to balance your self with with her father who is twice as much as her? Why?
A. Yes. She will have to sit in your the fulcrum than her father B. Yes. Her father will have to sit nearer the fulcrum than her C. No. She need to be as heavy as her father D. No. She needs to be heavier than her father
3. A can opener is a combination of which simple machines?
A. a lever and the wedge B. a wedge and the screw C. a lever and an inclined plane D. an inclined plane and the wedge
4. How much force is needed to go up a less steep incline?
A. less longer B. less shorter C. more shorter D. more longer
5. What kind of simple machine is a screw? A. modified lever B. modified wedge C. modified inclined plane D. modified wheel and axle
