Across
- 5. unlike poles of two magnets come together.
- 7. a spring cannot return to its original length when it has reached its _____.
- 8. rubbing two hands together when we are feeling cold produces _____ due to friction between our palms.
- 9. elastic spring force and frictional force are examples of _____ forces.
- 11. Air ______ is an upthrust force that slows down a descent of falling objects.
- 12. like poles of two magnets facing each other.
- 14. force to move something towards you.
- 15. friction _________ motion.
- 17. gravity and magnetism are forces which act at a ______.
- 19. we are changing a moving object's _____ when we apply a force to make it move faster or slower.
Down
- 1. we can apply _________ to reduce friction between surfaces.
- 2. steel, iron, nickel and cobalt are _______ materials.
- 3. a tennis ball changes its ________ when being hit by a racket.
- 4. our weight depends on the amount of ______ force acting on our body.
- 6. our _______ remains the same wherever we are.
- 7. we can measure the ________ of a spring when a load is hung on it.
- 10. applying a force on an object can slow down or stop a _________ object.
- 13. breaking an object into pieces is changing its ________.
- 16. force to move something away from you.
- 18. we cannot see a force but can feel its _________.