Name____________________________
Date________________
____
1. What are the factors in calculating momentum?
____
2. If you divide momentum by velocity, the result is the value of the object’s __________________.
____
3. How much would I accelerate a grocery cart with a mass of 25kg and 10N of force?
____
4. A 10.0 kg dog chasing a rabbit north at 6.0 m/s has a momentum of ________________.
____
5. Weight is best described as
____
6. When objects are moved further apart from each other, the force of gravity
____
7. The law that states that every object maintains constant velocity unless acted on by an unbalanced force is
____
8. The law that states that for every action force there is an equal and opposite reaction force is
____
9. The law that states that the unbalanced force acting on an object equals the object’s mass times its acceleration
is
____ 10. The SI unit of force, named for the scientist who described the relationship between motion and force, is called
the
____ 11. A box of recycled papers has a mass of 22 kg on earth so what is its weight? Use formula for weight.
____ 12. List the equation for Force, Weight and Momentum – you can use the 3 triangles.
____ 13. When air resistance balances/equals the gravity of an object that is falling, the velocity becomes
______________ __________________.
____ 14. What is the approximate terminal velocity of a sky diver before the parachute opens?
hour and ____________Kilometers per hour.
_________miles per
____ 15. Describe and object that does not have momentum?
____ 16. What is the reaction force when you place a cup on a table?
____ 17. Earth pulls on the moon and holds the moon in its orbit. The moon pulls on Earth with an equal and opposite
force. This is an example of
____ 18. What is the unbalanced force that slows down a ball rolling across the floor?
____ 19. If a semi truck and volkswagon traveling with different velocities collide, what law allows you to predict the
motion of the objects after the collision?
____ 20. What are the qualifiers for Newton’s 3rd law action= reaction.
21. Mass times velocity equals ____________________.
22. According to Newton’s second law of motion, what is the product of mass times acceleration?
23. The tendency of an object at rest to remain at rest, or if moving, to continue moving at a constant velocity is
____________________.
24. An object with a small mass has ____________________ inertia than an object with a large mass.
25. The motion of an object resulting from only the force of gravity , with no air resistance is
____________________.
26. When an object is falling towards the earth at the same rate as it’s surroundings it is called _______________.
27. Any change in an object’s velocity is caused by ___________.
28. A measure of inertia is an object’s ______________.
29. Automobile seat belts are necessary in protecting us from our own_________________
30. What two things affect gravity?
Essay
31. State Newtons 1st law.
32. State Newton’s 2nd law.
33. State Newton’s 3rd law.