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- 1. Multiple ChoiceYou and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?60 N right10 N left60 n right50 N left
- 2. Multiple Choice
A wheeled cart is moving to the right at a constant speed. Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?Balanced Forces, Constant SpeedBalanced Forces, AccelerationUnbalanced Forces, Constant SpeedUnbalanced Forces, Acceleration - 3. Multiple ChoiceWhich could be an example of an unbalanced force?A plate sitting on a dining tableA ball at the top of a hill that is not movingEarth orbiting the SunA baseball that has been thrown to home plate.
- 4. Multiple ChoiceWhich could be an example of a balanced force?An asteroid moving at a constant speed through spaceA car accelerating from a stop signA box of dishes falling from a counterA rocket taking off
- 5. Multiple Choice
Which of the following objects will experience an unbalanced force?
A bike rider on a smooth and level road, pedaling at a constant rate.
A train pulling on another train, each with the same amount of force.
A chair sitting on the floor with balanced forces acting in opposite directions.
A ball rolling across the floor with friction acting in the opposite direction.
- 6. Multiple ChoiceIf these teams are pulling with the same amount of force what will happen?The boy in blue will win.They will not move at all.The boy in red will win.Both will fall down.
- 7. Multiple ChoiceWhat is the net force?40 N left0 N Balalnced400 N right40 N right
- 8. Multiple ChoiceHow will this object move?It won't move.It will move to the right.It will move to the left.It will move up.
- 9. Multiple ChoiceIn a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N. What is the resultant force?50N to the left.350N to the left.350N to the right.50N to the right.
- 10. Multiple ChoiceWhat is the net force?400 N Up400 N Down- 400 N Down800 N Down
- 11. Multiple ChoiceWhich of the blocks above has balanced forces acting on it?ABCD
- 12. Multiple Choice
two forces acting in opposite directions on an object, and do not cause a change in motion; equal in size
Force
Balanced Force
Unbalanced Force
Inertia
- 13. Multiple Choice
two forces acting on an object and causes a change in motion; not equal in size.
Force
Balanced Force
Unbalanced Force
Net Force
- 14. Multiple ChoiceAn airplane is travelling North through the sky at a constant speed when turbulence causes it to take a different route, changing its direction. Explain the forces at work on this plane.Unbalanced, because the plane is moving forward, not backwardsUnbalanced, because the speed is constant and there is a change in directionBalanced, because the plane is not falling to a lower altitudeUnbalanced, because the plane is in motion
- 15. Multiple ChoiceHow will this object move?It won't move.It will move to the right.It will move to the left.It will move up.
- 16. Multiple ChoiceHow will this object move?It won't move.It will move to the right.It will move to the left.It will move in both directions.
- 17. Multiple ChoiceWhat is the net force?40 N left0 N Balalnced400 N right40 N right
- 18. Multiple Choice
Calculate the Net Force.
60N, Left
40N, Right
0N
60N, Right
- 19. Multiple ChoiceWhat is the net force?10 N0 N25 N1 N
- 20. Multiple ChoiceIf an object is not moving the forces acting upon it are _____________unbalancedweakbalancedHulk Smash!
- 21. Multiple ChoiceThe sum of all forces acting on an object.Contact ForceBalanced ForceUnbalanced ForceNet Force
- 22. Multiple Choice
What is true about this image?
It shows unbalance forces.
It shows balanced forces.
The people on the right are winning.
The people on the left are winning.
- 23. Multiple Choice
What is true about this picture?
the forces are balanced
the net force is 10N
The net force is 3 N
The net force is 7N
- 24. Multiple ChoiceWhat is a PUSH or PULL of an object?MotionForceFrictionGravity
- 25. Multiple Choice
Which of the following statements is true?
Balanced forces cause a change in motion.
Unbalanced forces cause a change in motion.
Forces do not effect the change in motion.
- 26. Multiple Choice
A lamp sitting on a table.
Balanced Force
Unbalanced Force
- 27. Multiple Choice
The moon orbiting the Earth at a constant speed.
Balanced Force
Unbalanced Force
- 28. Multiple Choice
A car accelerating around a mountain curve.
Balanced Force
Unbalanced Force
- 29. Multiple Choice
Two ice skaters moving in a straight line at a constant speed.
Balanced Force
Unbalanced Force
- 30. Multiple Choice
A skier skiing through flags in a race down the mountain.
Balanced Force
Unbalanced Force
- 31. Multiple Choice
A book sitting on a shelf.
Balanced Force
Unbalanced Force
- 32. Multiple Choice
A gymnast on a balance beam doing a back flip.
Balanced Force
Unbalanced Force
- 33. Multiple Choice
Cars in a NASCAR race speeding around the track.
Balanced Force
Unbalanced Force
- 34. Multiple Choice
A soccer ball sitting on the ground motionless.
Balanced Force
Unbalanced Force
- 35. Multiple Choice
A rocket lifting off the launch pad.
Balanced Force
Unbalanced Force
- 36. Multiple ChoiceAre the forces acting on the sled in Section 1 balanced or unbalanced? The track is smooth and frictionless.BalancedUnbalanced
- 37. Multiple ChoiceAre the forces acting on the sled in Section 3 balanced or unbalanced? The track is smooth and frictionless.BalancedUnbalanced
- 38. Multiple ChoiceAre the forces acting on the sled in Section 2 balanced or unbalanced? The track is smooth and frictionless.BalancedUnbalanced
- 39. Multiple ChoiceAre forces balanced or unbalanced when a marble rolls down a ramp?BalancedUnbalanced
- 40. Multiple ChoiceAre forces balanced or unbalanced when an ice skater is moving at a constant speed in a straight line?BalancedUnbalanced
- 41. Multiple ChoiceAre forces balanced or unbalanced when skateboarding down a ramp?BalancedUnbalanced
- 42. Multiple ChoiceAre forces balanced or unbalanced when plates at a transform fault move and cause an earthquake?BalancedUnbalanced
- 43. Multiple ChoiceWhich direction will the object move?UpDownRightLeft
- 44. Multiple ChoiceStudents are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?The ribbon will move to the left and group A will win the tug-of-war.The ribbon will move to the left and group B will win the tug-of-war.The ribbon will move to the right and group B will win the tug-of-war.The ribbon will move to the right and group A will win the tug-of-war.
- 45. Multiple Choice
Student A is pushing at 63 newtons, and student B is pushing at 56 newtons. What is the net force (calculation).
119 N Right
7
7 N Right
119
- 46. Multiple Choice
Student A is pulling at 57 newtons and student B is pushing at 96 newtons. What is the net force (calculation).
153 N Left
39 N Left
153 N Right
39
- 47. Multiple Choice
What is the net force (calculation).
5 N Right
19 N Left
13 N Right
13 N Left
- 48. Multiple Choice
What is the net force (calculation).
5
11 N Right
5 N Right
0 N
- 49. Multiple Choice
Forces that have a net force of zero ( the object is still) are ?
Unbalanced
Balanced
- 50. Multiple ChoiceWhat is the net force?5 N45 N to the left5 N to the right45 N to the right
- 51. Multiple ChoiceWhat is a force?the PUSH or PULL on an objectThe MOTION an object createsThe objects HITTING one anotherGoing REALLY FAST
- 52. Multiple ChoiceWhich one is balanced?topbottomboth
- 53. Multiple ChoiceWhat is the FORCE?5 N10 N400 N0 N
- 54. Multiple ChoiceWhat is the unit for FORCE?N (Newtons)lbs (pounds)g (grams)m/s (meters per second)
- 55. Multiple ChoiceIf there are two forces going in the SAME direction, you would ...?(-) Subtract the forces(+) Add the forcesNeither(x) Multiply
- 56. Multiple ChoiceWhat is the net force?4.2 N left4.2 N right2.2 N left2.2 N right
- 57. Multiple ChoiceThe sum of all forces acting on an object and directionContact ForceBalanced ForceUnbalanced ForceNet Force
- 58. Multiple ChoiceCalculate the Net Force.60N, Left40N, Right0N60N, Right
- 59. Multiple ChoiceWhat is the magnitude (size) and direction of the net force?21 N to the Left3 N to the Left21 N to the Right3 N to the Right
- 60. Multiple ChoiceMrs. Moran and Mr. Moran decided to move the cabinet in their dining room. Mrs. Moran stood on one side, and Mr. Moran stood on the other. They each pushed with 30 N of force. What was the net force on the cabinet?0 N60 N30 N90 N
- 61. Multiple ChoiceHow many Hydrogen are in 4H2O?6824
- 62. Multiple ChoiceHow many Hydrogen are in 4H2O?6824
- 63. Multiple Choice2H2 + O2 ----> 2H2O What is the product?------>2H2O2H2+ O2
- 64. Multiple Choice2H2 + O2 --------> 2H2O What are the reactants?----->2H2O2H2 +O2
- 65. Multiple ChoiceHow many atoms are there TOTAL in:
H2SO46573 - 66. Multiple ChoiceHow many elements are in C6H12O6?1234
- 67. Multiple ChoiceHow many Sodium (Na) are in 6NaCl?1126
- 68. Multiple ChoiceHow many atoms are in the element Carbon in this compound?
H2C3O4N52345 - 69. Multiple ChoiceIs this equation balanced?yesnoNot enough information
- 70. Multiple ChoiceWhat is a coefficient?The small number on the right of the chemical symbol.The large number to the left of a formula.
- 71. Multiple ChoiceThe law of conservation of matter states thatchemical reactions change matter.in chemical reactions, the identity of reactants and products is conserved.atoms are neither created nor destroyed in chemical reactions.a chemical equation must be balanced.
- 72. Multiple ChoiceHow many Chlorine are in MgCl2?213
- 73. Multiple ChoiceHow many atoms are in the element Carbon in this compound?
H2C3O4N52345 - 74. Multiple ChoiceWhich is the correct formula for:
three hydrogen (H)
one sulfur (S)
four oxygen (O)H3SO4HSO4H4S3OH2O - 75. Multiple ChoiceHow many O's are in Al₂(SO₄)₃412724
- 76. Multiple ChoiceA subscript is the small number below a(n) ________ that tells the number of _______ of that element.element symbol; atomsatom; element symbolsubscript; protonscompound; elements
- 77. Multiple ChoiceIs this balanced?...
Al + O2 --> 2Al2O3Yes!NO! - 78. Multiple Choice
What is a coefficient?
the small number on the right of the chemical symbol
the large number to the left of a formula
the numbers inside of the parentheses
the small number to the left of the chemical symbol
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