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- 1. Multiple Choice
What is the net force?20 N0 N400 N40 N - 2. Multiple ChoiceWhat is the unit to MEASURE force?KilogramMeterPascalNewton
- 3. Multiple Choice
A force can be best described as:
a push or pull
something that is exerted
a change in velocity over change in time
gravity or friction
- 4. 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.
- 5. Multiple ChoiceForces that have a net force of zeroBalanced forceUnbalanced force
- 6. Multiple ChoiceBalanced or unbalanced?balancedunbalanced
- 7. Multiple ChoiceBalanced or Unbalanced?BalancedUnbalanced
- 8. Multiple ChoiceIf an object is not moving the forces acting upon it are _____________unbalancedweakbalancedHulk Smash!
- 9. Multiple ChoiceWhen you use an incline plane to raise an object, the ______ the distance you move it the less force you use.shorterlongerdistance does not matter
- 10. Multiple ChoiceIf I want to use the least amount of force neccessary, I would need along, steep rampshort, gentle ramplong, gentle rampshort, steep ramp
- 11. Multiple Choice
How does distance change the effort when using an inclined plane?
as distance increases, effort decreases
as distance decreases, effort decreases
as distance increases, effort increases
nothing, they both stay the same
- 12. Multiple ChoiceThe longer the inclined plane, the ___________________ to move the objectthe less input force you needthe more input force you needthe more output force you needthe less output force you need
- 13. Multiple ChoiceWhich best describes the role friction plays in the operation of a bicycle?Friction makes the bike go faster.Friction keeps the bike from stopping.Friction turns the bike in a new direction.Friction helps the bike slow down and stop.
- 14. Multiple Choice
Is a waterslide an inclined plane?
Yes
No
- 15. Multiple Choice
Which one of these is not a inclined plane?
Ladder
slide
ledge
stairs
- 16. Multiple ChoiceStudents pulled the same mass up an inclined plane that was 20 cm, 30 cm, and 40 cm long. Each time, they used a spring scale to measure the force needed to pull the mass up the inclined plane. What did they conclude?Less force was needed on the 20 cm planeMore force was needed on the 40 cm inclined plane.The least amount of force was needed on the 40 cm inclined plane.The least amount of force was needed on the 30 cm inclined plane.
- Answer choicesTagsAnswer choicesTags