Across
- 2. rate at which work is done
- 3. 1 Newton-meter equals to _______
- 4. ( ἠ ); output work over input work
- 7. mass × acceleration
- 8. ____________ of restitution (ϱ)
- 10. m_A v_A-∫▒〖P dt= m_A u〗; formula for period of ________
- 13. forces for which the impulse is zero
- 18. The greater the ______ effect, the greater the acceleration, momentum change, and impulse.
- 20. is the force that causes everything that goes up to fall back down to Earth.
Down
- 1. the quantity Force times time is known as what
- 5. _________ of energy equals T_1+ V_1= T_2+ V_2
- 6. plural of momentum
- 9. acronym of free-body diagram
- 11. collision between two bodies which occurs during a small time interval
- 12. defined as a body on which the distance between two points never changes whatever be the force applied on it.
- 14. impact for which one or both of the bodies move along the line
- 15. a contradiction of the Direct Impact
- 16. scalar quantity; has magnitude and sign but not direction
- 17. a velocity of a body ω, expressed in rad / s
- 19. unit for joule per seconds