1.Which of these can carry heavy logs downstream?
A. Electricity
B. Magnet
C. Running Water
D. Wind
2.What causes the shirts in the clothesline to sway?
A. Gravity
B. Magnet
C. Running Water
D. Wind
3.Which of the following situations shows that friction is Not beneficial
A. Brakes in the bicycle
B. Pushing the cabinet in a rough surface
C. Friction from your shoes and the floor
D. Friction between the wheel and the road