Across
- 5. newton’s ________ law is required to relate the motion of the body to the forces acting on it.
- 6. The resultant of the forces acting on a particle is equal to the rate of change of linear _________ of the particle
- 7. Each planet describes an ellipse, with the _________ located at one of its foci
- 8. The _________ of the forces acting on a particle is equal to the rate of change of linear momentum of the particle.
- 12. in the equation f = ma, what quantity increases as mass increases
- 13. With the inclusion of the inertial vector, the system of forces acting on the particle is equivalent to zero. The particle is in dynamic __________
- 15. when a body ________, it changes in velocity and or direction
- 17. The squares of the ________ times of the planets are proportional to the cubes of the semimajor axes of their orbits.
- 18. Kepler designed laws for the motion of ________
- 19. to retain the same amount of force exerted by the body, if the ______ increases, the acceleration must decrease proportionaly
- 20. in the U.S. ___________ units: base units are the units of force (lb), length (m), and time (second).
Down
- 1. coined the term watt
- 2. The sum of the moments about O of the forces acting on a particle is equal to the rate of change of _________ momentum of the particle about O.
- 3. a moving body will _________ at motion unless acted upon/by an opposite force
- 4. normal component is also known as ___________ force
- 9. when a particle of mass m is acted upon by a _________, the acceleration of the particle must satisfy the second law of newton
- 10. Properties of planetary orbits around the sun were determined astronomical observations by Johann ________
- 11. time required for a satellite to complete an orbit.
- 14. discoverer of Inertia
- 16. _______ momentum principle states that If the resultant force on a particle is zero, the linear momentum of the particle remains constant in both magnitude and direction