Question

pls answer fast
answer the all question

Answer 1

1. firctional force
2. yes
3. pendulum
4. insulators
5. .............
6. convex
7. ..............
8. boiling
9. anticlockwise
10. pascal
11. newton ,meter,length.mass,kilogram,second
12. when spaceship reaches space due to the atmosphere it produces heat so to prevent it
13. back and forth,to and fro movement