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- 1. Multiple ChoiceWhat is a PUSH or PULL of an object?MotionForceFrictionGravity
- 2. Multiple ChoiceThe sum of all forces acting on an object and directionContact ForceBalanced ForceUnbalanced ForceNet Force
- 3. Multiple ChoiceAn object and rest will stay at rest and an object in motion will stay in motion unless acted on by a force, is which one of Newton's Laws of Motion?4th Law of Motion1st Law of Motion3rd Law of Motion2nd Law of Motion
- 4. Multiple Choice
When an object resists change, like a body in a turning car, it is called ________________.
inertia
force
friction
drag force
- 5. Multiple Choice
A force is a
Push
Pull
Both Push or Pull
Neither Push or Pull
- 6. Multiple ChoiceWhat Unit do we measure Force in?NewtonsJoulesForceDon't know
- 7. Multiple Choice
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?firstsecondthirdfourth - 8. Multiple ChoiceYou push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.20N40N10N70N
- 9. Multiple Choice
Mass is a measure of the inertia of an object.
true
false
- 10. Multiple Choice
A 10-N piece of foil is crumpled into a tight wad. Its weight is then
same
slightly less
slightly greater
- 11. Multiple ChoiceWhat kind(s) of objects have inertia?all objects with massonly objects at restonly objects in motiononly objects whose motion is being changed
- 12. Multiple ChoiceWhat is a force that works AGAINST MOTION?ForceMotionGravityFriction
- 13. Multiple ChoiceIf two forces act on an object in the same direction, the net force is the _____________.the difference between the two forcesthe sum of the two forcesthe product of the forces acting on the objectrate at which the fuctions are derived
- 14. Multiple ChoiceIf there are two forces going in the same direction how would you find the net force?SubtractAddNeitherMultiply
- 15. Multiple ChoiceWhat is a measure of the change of velocity of a moving object?speedaccelerationmotionvelocity
- 16. Multiple ChoiceTrue or False. Unbalanced forces will never have a net force of zero Newtons.TrueFalse
- 17. Multiple Choice_____________ causes changes in the speed and/or direction of motion.SpeedForceVelocity
- 18. Multiple ChoiceWhat is the net force of the object?10 N25 N5 N0 N
- 19. Multiple ChoiceIf a 2kg bird is pushed by the wind with a force of 2N, how fast does the bird accelerate?1 m2 m/s24m/s21 m/s2
- 20. Multiple ChoiceHow much force is needed to accelerate a 25kg bowling ball at 2m/s2.50N5N12.5N100N
- 21. Multiple Choice
What is Newton's First Law
F=ma
Every action has an equal and opposite reaction
Friction
An object at rest stays at rest, an object in motion stays in motion.
- 22. Multiple Choice
True or False. Acceleration of an object is directly proportional to the net force acting on it?
True
False
- 23. Multiple Choice
An evil ewok threw a rock with a force of 24.6N and an acceleration of 6m/s2 at an innocent stormtrooper. What was the rocks mass?
4Kg
41kg
4.1kg
46kg
- 24. Multiple Choice
Air drag on a falling object increases as the object gains speed.
true
false
- 25. Multiple ChoiceWhat law is best described by inertia?1st2nd3rdlaw of conservation of mass
- 26. Multiple ChoiceWhich type of force(s) will cause a change in an object's motion?gravityzero net forcebalanced forcesunbalanced forces
- 27. Multiple ChoiceAcceleration is a change in...InertiaGravityVelocityDistance
- 28. Multiple ChoiceWhat is the net force?40 N left0 N Balalnced400 N right40 N right
- 29. Multiple Choice
Which would require more force to place in your shopping car?
Both
Pineapple
Watermelon
- 30. Multiple ChoiceA force is a push or a pull on an object that results from its interaction with another object.TrueFalse
- 31. Multiple ChoiceNewton's second law is applied as the formula _____Force = Mass X AccelerationSpeed = distance / timea + b = chuh?
- 32. Multiple Choice
The acceleration of objects falling on Earth due to gravity is
9.8 m/s
9.8 m/s2
9.8 g/mL
9.8 g/m/m
- 33. Multiple Choice
What is the velocity of an object that has been falling freely in a vacuum for 2 seconds?
9.8 m/s down
10.1 m/s down
19.6 m/s down
39.2 m/s down
- 34. Multiple Choice
Define acceleration due to gravity.
The force of gravity acting on an object.
The velocity of an object under the influence of gravity.
The acceleration experienced by an object due to gravity.
The force of gravity.
- 35. Multiple Choice
A book falls off the desk. What moves the book towards the floor?
mass
friction
gravity
speed
- 36. Multiple Choice
How does the mass of an object affect acceleration?
The greater the mass of an object the greater the force needed to accelerate the object
The greater the mass of an object the smaller the force needed to accelerate the object
the smaller the mass of an object the greater the force needed to decelerate the object
- 37. Multiple Choice
Which of the following graphs best represents free fall motion?
- 38. Multiple ChoiceNewton's First Law ofMotion states that an object will remain at rest or move with constant speed unless this is applied.FrictionNet ForceVelocityGravity
- 39. Multiple ChoiceThis is reached when the force of gravity is balanced by air resistance.Centripetal ForceStaticTerminal VelocityNet Force
- 40. Multiple ChoiceThe attractive force between two objects.ForceGravityDirectionRolling
- Answer choicesTagsAnswer choicesTags