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- 1. Multiple Choice
A force is ____.
a push or pull that can cause movement
a magnet
when someone does not work
- 2. Multiple Choice
If there are two forces going in the same direction how would you find the net force?
SubtractAddDivide
Multiply - 3. Multiple Choice
Look at the diagram. What would be the direction of the motion ?movement to the leftmovement to the rightno movement - 4. Multiple Choice
If there are two forces going in opposite directions how would you find the net force?
Subtract
Add
Divide
Multiply
- 5. Multiple Choice
What is the net force in this example?
200 N left
125 N right
50 N left
75 N right
- 6. Multiple ChoiceForces that have a net force of zero ( the object is still).Balanced forceUnbalanced force
- 7. Multiple Choice
If a person is picking up a book with the force of 50 N and the gravity is pulling down with 15 N, what is the net force?
50 N dup
35 N up
65 N up
35 N down
- 8. 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 right and group B will win the tug-of-war.
- 9. Multiple Choice
Is the Net Force balanced or Unbalanced?
Balanced
Unbalanced
- 10. Multiple Choice
A notebook is on a desk. The force of gravity pulling the notebook down on the table is 10 N. The force of the table (normal force) pushing back up on the notebook is 10N. What is the net force?
20N
0N
15N
100N
- 11. Multiple ChoiceCalculate the Net Force.60N, Left40N, Right0N60N, Right
- 12. Multiple ChoiceA runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?10 m/s1000 m/s100 seconds10 seconds
- 13. Multiple ChoiceTotal distance divided by total time isaverage speedconstant speedinstantaneous speedacceleration
- 14. Multiple ChoiceAlan travels 100 km in 5hrs. Find his average speed in km/h5km/hr10km/hr50km/hr20km/hr
- 15. Multiple ChoiceFind speed when distance is 142 km and time is 2 hours.71km/hr52km/hr17km/hr90km/hr
- 16. Multiple ChoiceWhat does this graph represent?Constant SpeedAccelerationNot moving
- 17. Multiple ChoiceWhat two measurements are necessary for calculating speed?Mass and timeTemperature and massMass and distanceDistance and time
- 18. Multiple ChoiceWhich runner won the race?ABCIt was a tie
- 19. Multiple ChoiceWhich runner had a head start?ABCNone of them
- 20. Multiple ChoiceWhat is the person doing from 5 seconds to 10 seconds?WalkingRunningStanding StillWalking Fast
- 21. Multiple Choice
Calculate the speed of the runner represented by the SOLID line in Graph A.
2.5 yd/sec
5 yd/sec
2.5 sec
4 sec
- 22. Multiple Choice
Calculate the speed of the runner represented by the SOLID line in Graph B.
2.5 yd/sec
5 yd/sec
30 yd
4 sec
- 23. Multiple Choice
Calculate the speed of the runner represented by the SOLID line in Graph D.
2.5 yd/sec
5 yd/sec
7.5 yd/sec
4 sec
- 24. Multiple ChoiceWhat is speed?how far you gohow much distance is covered over a period of timehow fast you acceleratethe change in the location of a object
- 25. Multiple Choice
A super scary tarantula can jump 4 ft in 2 seconds. What is the average speed?
2 ft/sec
4 ft/sec
.5 ft/sec
I hate spiders...
- 26. Multiple Choice
A car's position in relation to time is plotted on the graph. What can be said about the car during segment B?
The car travels for 80 seconds during segment B
The car has come to a stop and has zero velocity.
The car is traveling faster during segment B than in segment C
The car is traveling with a constant velocity due to he flat line of the graph.
- 27. Multiple Choice
The graph shows the speed of a car during a trip along the highway. What can you say, in general, about the speed of the car?
It is constant during the trip
It is moving at a slow rate of speed.
It is increasing throughout the trip
It varies at different times during the trip
- 28. Multiple Choice
Ben and Jerry went for a drive. They decided to stop for a snack and have some ice cream. How long did they stop at the store to eat ice cream?
1/2 hour
1 hour
1 1/4 hours
1 1/2 hours
- 29. Multiple ChoiceWhat is happening at E?StationaryAcceleratingFast steady speed; moving away from the starting positionSteady speed; returning to start position
- 30. Multiple ChoiceWhat is happening at A?StationaryAcceleratingSlower steady speed; moving away from the starting positionSteady speed; returning to start position
- 31. Multiple ChoiceAt 60 seconds, how far had this object traveled?0 m10 m20 m40 m
- 32. Multiple ChoiceDetermine if the object was accelerating between 40 seconds and 60 seconds.
SPEED = DISTANCE/TIMENo, the speed stayed the sameYes, the speed increasedYes, the speed decreasedYes. the speed stayed same - 33. Multiple ChoiceWhat does this graph represent?Constant speedAccelerationNot moving
- 34. Multiple ChoiceThe picture of the position vs. time graph shows an object that is...accelerating/speeding upmoving at a constant speednot movingaccelerating/slowing down.
- 35. Multiple ChoiceA driver stopped her car for a traffic light. After waiting for the light to turn green, the driver continued on her way.ABCD
- 36. Multiple ChoiceThe substance being dissolved in a solution.sandssolutesolventalloy
- 37. Multiple ChoiceThe substance in which a solute is dissolvedsandssolventalloynegative particles
- 38. Multiple ChoiceA solution is a ___________mixture.heterogeneoushomogeneousconcentrationionic
- 39. Multiple Choice
A solution that contains all of the solute that it can hold at a given temperature.
unsaturated solution
saturated solutionhomogeneous solution
diluted solution - 40. Multiple Choice
A solution that can still dissolve more solute at a particular temperature.
heterogeneous solution
saturated solutionunsaturated solutionhomogeneous solution
- 41. Multiple ChoiceWhen water is added to a solution it is called a ______________dilutionconcentrationheterogeneous solutiondissociation
- 42. Multiple Choice
You can make a solution more concentrated by adding more __________.
solutesolventwatersolution
- 43. Multiple Choice
In a sample of salt water, NaCl (salt) would be considered the ______.
SolutionSoluteSolventSolvation - 44. Multiple ChoiceWhen one of the parts of the solution is water we call it _________.water stuffwater mixtureaqua-manaqueous
- 45. Multiple ChoiceIf we are making Kool-aid with sugar, Kool-aid powder, and water, which part is the solvent?waterpowdersugarpowder and sugar
- 46. Multiple Choice
to stir, shake or disturb something.
solubility
agitation
surface area
rate of dissolution
- 47. Multiple Choice
The amount of a particular substance in a given amount of a mixture.
Concentration
Dissolution
Dilution
Agitation
- 48. Multiple Choice
How fast a substance dissolves in a liquid.
Rate of Dissolution
Surface Area
Aqueous Solution
Solubility
- 49. Multiple ChoiceAnna filled a cup with hot tea. Then she added a sugar cube. Which of these will help to make the sugar cube dissolve more quickly?stirring the hot teaadding more sugar cubesadding ice to the teapouring more tea into the cup
- 50. Multiple ChoiceWhich cube(s) has the most surface area?left cubemiddle cubesright cubes
- 51. Multiple Choice
How does temperature affect rate of dissolution?
high (hot) temperature dissolves slowly
high (hot) temperature dissolves faster
low (cold) temperature dissolves faster
- 52. Multiple Choice
How does agitation affect rate of dissolution?
It does not affect it
agitation increases the rate of dissolution (dissolves faster)
agitation decreases the rate of dissolution (dissolves slower)
- 53. Multiple Choice
How does surface area affect rate of dissolution?
It does NOT affect rate of dissolution
higher surface area (more little pieces) dissolves faster
lower surface area (more big pieces) dissolves faster
- 54. Multiple Choice
What is the best definition of rate of dissolution?
the measure of hotness or coldness
stirring
the area of the surface of the solute
the speed at which a solute dissolves in a solvent to form a solution
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