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- 1. Multiple Choice
A rocket in space can travel without engine power at constant speed in the same direction. This condition is best explained by the concept of...
frames of reference
gravity
inertia
acceleration
- 2. Multiple Choice
If the mass of a moving object is doubled, its inertia would be...
halved
doubled
the same
four times greater
- 3. Multiple Choice
A coin is resting on a piece of cardboard on a beaker as shown in the diagram. When the cardboard is rapidly removed, the coin falls into the beaker. The two properties of the coin that best explain its fall are its weight and its
shape
inertia
volume
temperature
- 4. Multiple Choice
If there is no net force acting on an object, the object will
accelerate
slow down and stop
change its direction of motion
continue with constant speed in a straight line
- 5. Multiple Choice
Which person has the greatest inertia?
A 90-kg man walking at 2 m/s
A 110-kg wrestler resting on a mat
A 50-kg woman sprinting at 9 m/s
A 70-kg long-distance runner traveling at 5 m/s
- 6. Fill in the Blank
The force required to accelerate a 2-kg mass at 4 m/s^2 is
- 7. Multiple Choice
A force of F newtons will give an object with a mass of M an acceleration of A. The same force will give a mass of 2M an acceleration of...
A
2A
A/2
A/4
- 8. Fill in the Blank
On the planet Gamma, a 4-kg mass experiences a gravitational force of 24 N. What is the acceleration due to gravity on Gamma?
- 9. Multiple Choice
In the graph below, the acceleration of an object is plotted against the force applied. What is the mass of the object?
0.2 kg
0.5 k
2 kg
4 kg
- 10. Multiple Choice
Which correctly pairs the correct units to the variables?
mass= m/s^2; force= newtons; acceleration= kg
mass= m/s^2; force= kg; acceleration= newtons
mass= kg; force= newtons; acceleration= m/s^2
mass= newtons; force= kg; acceleration= m/s^2
- 11. Fill in the Blank
A student weighs 60N. What is the amount of normal force exerted on the student? ____N
- 12. Multiple Choice
A love bug hits the windshield of a car driving 40 km/h. Which force is greater? *
the forces are equal
the bug hitting the windshield
The windshield hitting the bug
the forces change after impact
- 13. Multiple Choice
Space is a vacuum, meaning that there is no air, particles, etc.. How does a rocket accelerate in space. *
it's complicated
another rocket must come and push it
it cannot; there is nothing against which to push
burning fuel and expelling exhaust in the opposite direction of desired motion
- 14. Multiple Choice
A bus hits a bug and the bug splatters on the windshield, which acceleration is greater?
The bus
The bug
They are the same
not possible to determine
- 15. Multiple Choice
An action/ reaction pair of forces
Both point in the same direction
Both act on the same object
Both must be long-range forces
Each act on a different object
- 16. Multiple Choice
When a heavy football player and a light one run into each other, who exerts more force?
The heavy one
The light one
They are equal
there is no such thing as force
- 17. Multiple Choice
A bus hits a bug and the bug splatters on the windshield, which force is greater?
The Bus
The Bug
They're the same
Gravity acting on the bus
- 18. Multiple ChoiceHow can Newton's second law be represented mathematically?F=MAM= F/AA= F/MAll are correct
- 19. Multiple ChoiceWill it take more force to push an empty shopping cart or a shopping cart that is full?The empty shopping cartThe full shopping cartThey will take the same amount of force
- 20. Multiple ChoiceWhich shopping cart will have more acceleration?The empty shopping cartThe shopping cart that's fullThey will be the same
- 21. Multiple ChoiceIf you push the ping pong ball & the basketball with the same amount of force, which one will go a greater distance?The ping pong ballThe basketballThey will both travel the same distance
- 22. Multiple ChoiceWhy would one ball travel a greater distance than the other when pushed with the same amount of force?Different sizesDifferent weightsDifferent massesDifferent forces
- 23. Multiple Choice
A car is placed in neutral and on flat ground not moving. The car weighs 800 pounds. If a force of 40 N is applied to the front of the car and a force of 30 N is applied to the back of the car, what will happen?
The car will not move
The car will move forward
The car will move backwards
The car will flip over
- 24. Multiple Choice
The speed and direction of an object is it's ___________.
Momentum
Velocity
acceleration
Inertia
- 25. Multiple Choice
Anything that turns or changes it's direction (including things in orbit) is ___________.
Going a constant speed
moving
accelerating
decelerating
- 26. Multiple Choice
If the forces acting on an object are unbalanced, then the object must be ____________.
balanced
at rest
accelerating
momentum
- 27. Multiple Choice
Throughout a roller coaster ride you will feel acceleration when.....?
you turn left, right, up, or down
speed up
slow down
all of the above
- 28. Multiple Choice
According to Newton's second law a Force is equal to what?
mass / volume
force * speed
acceleration * mass
mass * velocity
- 29. Multiple Choice
Which object has more Inertia?
mass of 20 kg
mass of 20 kg moving at 10 km/h
mass of 50 kg
mass of 50 kg moving 7 km/h
- 30. Multiple Choice
Which of Newton's laws explains why an object in space will stay in motion once it starts moving?
Newton's first law
Newton's second law
Newton's third law
- 31. Multiple ChoicePushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.Newton's 1st LawNewton's 2nd LawNewton's 3rd Law
- 32. Multiple ChoiceWhich law says that for every action there is an equal and opposite reaction?Newton's First Law of MotionNewton's Second Law of MotionNewton's Third Law of MotionNewton's Fourth Law of Motion
- 33. Multiple ChoiceHow many Laws of Motion are there?1234
- 34. Multiple Choice
Newton's 3rd Law states that for ever action there is an equal and opposite ________.
reaction
satisfaction
fraction
transaction
- 35. Multiple Choice
A ______ is a push or pull on an object.
force
speed
acceleration
velocity
- 36. Multiple Choice
A force that causes an object to slow down when it touches another object is _________.
gravity
friction
inertia
Newton
- 37. Multiple Choice
Newton's 2nd Law says the acceleration of an object depends on its _______ and ______. (Choose two answers)
force or applied force
weight
gravity
mass
- 38. Multiple Choice
If you get hit by a paintball and covered in paint, the force you felt was _____
Greater than that experienced by the paintball
Less than that experienced by the paintball
The same as that experienced by the paintball
It depends on the color of the paintball
- 39. Multiple Choice
Two students are attempting an obstacle course. A pendulum swings and hits the first student but knocks the second student down. Which property is MOST likely responsible for the difference in the two collisions?
their mass
their height
their weight
their velocity
- 40. Multiple Choice
When two objects collide, momentum is ________
lost
gained
created
transferred
- 41. Multiple Choice
If I decrease the radial distance of an object, the object will ____________
lift up
slow down
move faster
not change motion
- 42. Multiple Choice
Linear momentum depends on which properties *
Mass and velocity
Velocity and direction
Only mass
Only mass
- 43. Multiple Choice
Under what conditions would the two objects have the same momentum?
The 10 kg ball would need a lesser density than the 100 kg ball
The 100 kg ball would need a greater velocity than the 10 kg ball
The 10 kg ball would need a greater velocity than the 100 kg ball
It is impossible for the two objects to have the same momentum due to the difference in mass.
- 44. Multiple Choice
Two students on a playground are spinning on the merry-go-round. Three more students join them. What is the outcome?
The merry-go-round spins slower
The merry-go-round spins faster
The merry-go-round spins faster then slower
There is no change in the motion of the merry-go-round
- 45. Multiple Choice
A wide receiver is running down field toward the end zone when a safety comes running toward him. The safety has more mass than the receiver. What must the receiver do to make sure he doesn't get knocked down when they collide?
run faster
run slower
lower his center of mass
nothing, he's getting knocked down
- 46. Multiple Choice
If mass increases, momentum will _____
stay the same
increase
decrease
- 47. Multiple Choice
Stephanie is spinning on a tire swing, leaning her head backwards while spinning. What is the outcome if she sits up?
The swing spins slower
The swing spins faster
The swing spins slower then faster
The swing spins faster then slower
- 48. Multiple Choice
Angular momentum depends on velocity, mass and which other property?
gravity
speed
density
radial distance
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