Across
- 3. driving frequency matches with natural frequency
- 5. gravitational ________ is the work done per unit mass in bringing a mass from infinity to a point
- 6. value of gravitational potential energy at infinity
- 9. random motion of molecules due to collisions with surrounding molecules
- 10. substance that has no intermolecular force and only valid at low pressure and high temperature
- 11. resultant force is zero
- 13. GMm/r2
- 14. technique to determine the direction of magnetic force, current and magnetic field
Down
- 1. a motion where acceleration is proportional to displacement in the opposite direction
- 2. force proportional to product of charges and inversely proportional to square distance.
- 4. the magnetic flux density depends on the number of turns per unit length
- 7. force acting towards the centre of a circle
- 8. the value of electric field strength on the surface if a point charge
- 12. U = q+ w is the __________ of thermodynamic
- 15. decrease in amplitude of waves