Forces and Motion

2. When you and I play tug of war, the rope doesn't go anywhere because the forces are _____
5. place and direction
9. force/mass ...ALSO, change in velocity / time
10. For every action there is an opposite and equal ____
13. My car is smoothly shaped so the air doesn't slow it down; the shape reduces ____
15. If you ran around a circular track at the same speed, your ____ would keep changing.
16. mass x velocity

1. My twin sisters are about the same size - so, in science terms, they have the same _____
3. My sisters are identical twins, but its an illusion; one exercises a lot, so she has more muscle and the other has more fat. The muscular one is heavier than the other because muscle has a greater ______
4. When you hit a baseball, it would keep going and going and going if not for air resistance and _____
6. Why does the sun rise every day? Well, it's really the earth and sun revolving continually...we can expect the same tomorrow because of _____
7. distance/time
8. Both cars can get up to 60km/hr, but the red one reaches that speed in half the time, because it has better _____
11. speed and direction
12. Even when I hit the brakes, it takes a lot of energy to stop my car's _____
14. My car is going downhill fast because the ___ force of gravity and the engine are working together
17. My twin sisters do not weigh the same - there is a difference in their ____