Across
- 2. A special name for a liquid or gas
- 4. Sum of clockwise moments are equal to the sum of anticlockwise moments
- 5. The velocity of falling parachutist, when his weight is equal to air resistance
- 6. What is the force that opposes the motion of one surface sliding past another called?
- 8. Acceleration and velocity are _______ quantities
- 13. A pair of forces that are equal and opposite to each other
- 14. The synonym of the word "constant"
- 18. What is the property of a body to resist a change in its state of motion called?
- 20. What is the measure of the force of gravity on an object called?
- 22. What is the rate of change of displacement with respect to time called?
Down
- 1. What is the SI unit of energy?
- 3. The resistant force of air
- 7. A force that objects experience when they move through a fluid
- 9. Sum of two or more forces acting on an object
- 10. Speed, mass and time are ______ quantities
- 11. What is the SI unit of mass?
- 12. A change in position (vector quantity)
- 15. What is the force of attraction between two objects with mass called?
- 16. What is the SI unit of force?
- 17. What type of energy does a moving car possess?
- 19. What is the rate of change of velocity with respect to time called?
- 21. What is the phenomenon where a sound wave is reflected back to its source?