8. Which is an example of an object that can produce rolling friction when rolls over a surface
A Ball B Cabinet C Shoe box
9 Riding a bicycle and using of wheelbarrow (kariton) are examples of
A Fluid friction B. Rolling friction C. Sliding friction D. Static friction
10 Which of the following shows an example of rolling friction?
A. A kite flying
C. A soccer ball rolling on the ground.
B. A paper boat floating
D. A picture frame on the table
11. Which of the following statements does NOT tell about the effects of gravitational force
A. The more distant the body from the earth, the lesser is the gravitational force of attractio
B. Gravitational force pushes the objects upward.
C. Gravitational force is greater when the objects are closer together.
D. The farther you are from earth, the lesser your weight.
12. Why is it difficult for us to go up in a mountain than go down?
A We are moving against gravity B. We are pulled by the wind
C. We are moving towards gravity, D. None of the above
di muna hanapin explanation eh nasa answer key namin yan thanks me later<3