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### 45 Matching questions

1. Newton's First Law
2. pulling earth up
3. Newton's Second Law
4. applied force
5. amount of force to accelerate 1kg of mass at 1 m/s²
6. Normal Force
7. Weight
8. Forces
9. 0N, 0 m/s²
10. mass
11. 50 N
12. sum of all forces of an object
13. Newton's 3rd Law
14. not moving, constant velocity
15. friction
16. No
17. Inertia
18. Distance
19. Free Body Diagram
20. Person
21. force of table on book
22. 9.81 m/s²
23. gravitational, electromagnetic
24. Object will do what it does unless otherwise acted on
25. Physical Interaction
26. Parallel to surface, direction of motion
27. gravitational force
28. 250 N
29. Air Resistance
30. static
31. static and kinetic
32. 1N = 1 kg * (m/s²)
33. same time, different objects, same amount of force, opposite directions
34. Newton
35. Fnet=ma
36. 4 m/s²
37. downward
38. tension, applied, normal, friction
39. Coefficients of Friction
40. kinetic
41. Fg = mg
42. Earth
43. force of book on table
44. Neither
45. perpendicular to surface
1. a Formula with Newton's second law
2. b For every action there is an equal and opposite reaction.
3. c Types of Contact forces
4. d Action/Reaction pairs: What is the Action pair in a physics book on a table?
5. e A 10kg object is moving at 5 m/s². What is the net force acting on the object?
6. f There is a Force pulling us down and there is one doing this too.
7. g Types of field forces
8. h This friction is the resistive force on an object in motion).
9. i Which has a bigger mass: Earth/Person whilst jumping?
10. j A Net Force is a....
11. k the resistance that one surface or object encounters when moving over another
12. l Weight acts in this direction.
13. m A 2kg object experiences a net force of 8N. What is the object's acceleration?
14. n shows all forces acting on an object
15. o Action/Reaction pairs: What is the Reaction pair in a physics book on a table?
16. p This is the ratio of the force of friction on an object to the normal force acting on the object.
17. q Newton's First Law in a brief
18. r If an object is doing this or traveling at a this, it is in equilibrium.
19. s What is the gravitational force acting on a 5 kg object?
20. t The measure of a gravitational force acting on an object.
21. u Action/Reaction force pairs act at the _____ but on ______. They also apply the _______, but in ________.
22. v This friction is resistive at rest (keep something from moving)
23. w The direction Normal Force goes in
24. x An object is in equilibrium if it's net force equals this and its acceleration equals this.
25. y Newton is equal to.
26. z An objects resistance to change its motion
27. aa Two types of friction
28. ab An object in motion will stay in motion and an object at rest will stay at rest unless acted on by an outside force.
29. ac Units of force
30. ad Friction moves in this direction, but is opposite of this.
31. ae The Force of a surface acting on an object
32. af Weight equation
33. ag The acceleration of an object is directly proportional to the net force acting on the object and inversely proportional to the object's mass.
34. ah Which has a bigger force: Earth/Person whilst jumping?
35. ai What is a Newton?
36. aj When someone jumps up, this pulls them back down.
37. ak Example of an "outside force" that would stop an object
38. al Field forces act over a....
39. am The arrows in FBDs represent these and go out from an object.
40. an Which has a bigger acceleration: Earth/Person whilst jumping?
41. ao Newton's first law is directly related to this.
42. ap Contact forces arise from....
43. aq Friction opposes this.
44. ar The "g" in the weight equation is this on earth.
45. as An object is traveling at a constant 4m/s and moves left. Is it in equilibrium?