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- 1. Multiple ChoiceWhat is the force that causes objects to fall to Earth?Air resistanceGravityWater resistancePressure
- 2. Multiple ChoiceWhat is the name of the units that we measure force in?EinsteinsNewtonsKgMetres
- 3. Multiple ChoiceWhat will cause an object to move?Applied forcesBalanced forcesUnbalanced forces
- 4. Multiple Choice
If an object is stationary (not moving) the forces acting upon it are _____________unbalancedweakbalancedHulk Smash! - 5. Multiple ChoiceWhich one is balanced?topbottomboth
- 6. Multiple Choice
What is it?
Pull
Friction
Push
Heavy
- 7. Multiple ChoiceWhat is the net force?20 N0 N400 N40 N
- 8. Multiple Choice
A ____________ is a push or a pull on an object.
friction
force
magnet
gravity
- 9. Multiple ChoiceWhat is the net force?10 N0 N25 N1 N
- 10. Multiple Choice
Forces that have a net force of zero Newtons
Balanced force
Unbalanced force
- 11. Multiple ChoiceThe sum of all forces acting on an object.Contact ForceBalanced ForceUnbalanced ForceNet Force
- 12. 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
- 13. Multiple Choice
Suppose that an astronaut throws a baseball in outer space at a location far from significant influences of gravity and air resistance. One would expect that the baseball would ____.
eventually stop since all objects ultimately "lose their steam"
eventually stop as its inertia slowly becomes used up
continue in motion with the same speed and direction
either a, b, or c -- depending on whether the astronaut continues to push it
- 14. Multiple Choice
All objects have inertia
True
False
- 15. Multiple Choice
Inertia depends on ______
Velocity
Speed
Distance
Mass
- 16. Multiple Choice
A skateboard rolls down a hill, reaches the level surface and eventually comes to a stop. The fact that the skateboard ultimately stops is best explained by ____.
an unbalanced force would be required to keep the sled moving forward at constant speed
the presence of an unbalanced force (e.g., friction) can cause a moving object to stop
the presence of inertia causes it to stop
the natural tendency of any object is to ultimately stop
- 17. Multiple Choice
Mac and Tosh are arguing in the cafeteria. Mac says that if he flings the jello with a greater speed it will have a greater inertia. Tosh argues that inertia does NOT depend upon speed, but rather upon mass. Who is correct?
Mac
Tosh
Neither
Both
- 18. Multiple Choice
More mass = More inertia
True
False
- 19. Multiple Choice
The rate something is traveling in a certain time
(example: miles per hour)
velocity
inertia
speed
- 20. Multiple Choice
The rate something is traveling in a certain direction.
speed
inertia
velocity
- 21. Multiple Choice
The amount of MATTER in an object.
momentum
velocity
mass
- 22. Multiple Choice
Inertia is the tendency of an object to resist a change in its ___________.
temperature
shape
size
motion
- 23. Multiple Choice
the tendency of an object to resist a change in its motion
acceleration
inertia
mass
frame of reference
- 24. Multiple ChoiceObjects with greater _________ also have greater inertia.speedmasstemperaturefriction
- 25. Multiple Choice
A force has both strength and _____.
power
direction
color
balance
- 26. Multiple Choice
When Izzy and Zoe pull on the rope with the same amount of force, the forces are _____.
increased
unbalanced
balanced
decreased
- 27. 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.
- 28. Multiple Choice
Velocity is speed with __________________________.
a unicycle helmet
direction
fight
- 29. Multiple ChoiceWhich of the following is a unit for acceleration?km/sm/s2mi/hrft
- 30. Multiple ChoiceAcceleration only takes place when things speed up.TrueFalse
- 31. Multiple ChoiceWhen a car goes around a corner at 20 mph, why do we say it accelerates?The car is accelerating because of the velocity is constantThe car accelerates because it's going 20 mphCars always accelerate when they are in motionThe car is accelerating because it's changing direction
- 32. Multiple ChoiceAcceleration only takes place when things speed up.TrueFalse
- 33. Multiple ChoiceAcceleration can be classified as _______________Speeding upSlowing DownChanging directionsAll of the above
- 34. Multiple Choice
What is the net force?
3 N
3 N, right
17 N, right
3 N, left
- 35. Multiple ChoiceThis type of force resist motion between two surfaces that are pressed togethercontactgravityfriction
- Answer choicesTagsAnswer choicesTags