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Physics, Science
7th -
10thgrade
IMPULSE & MOMENTUM CONCEPTUAL QUIZ
45 questions
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- 1. Multiple Choice
The rate of motion of an object in a given direction; the change in displacement over time.
velocity
acceleration
force
resultant
- 2. Multiple Choice
SI unit for velocity
meter per second (m/s)
meter per second per second (m/s/s or m/s²)
Newton (N)
kilogram meter per second (kg m/s)
Newton-second (N s)
- 3. Multiple Choice
The rate of change in velocity, the change in velocity over time
velocity
acceleration
force
resultant
- 4. Multiple Choice
SI unit for acceleration
meter per second (m/s)
meter per second per second (m/s/s or m/s²)
Newton (N)
kilogram meter per second (kg m/s)
Newton-second (N s)
- 5. Multiple Choice
SI unit for force
meter per second (m/s)
meter per second per second (m/s/s or m/s²)
Newton (N)
kilogram meter per second (kg m/s)
Newton-second (N s)
- 6. Multiple Choice
SI unit for momentum
meter per second (m/s)
meter per second per second (m/s/s or m/s²)
Newton (N)
kilogram meter per second (kg m/s)
Newton-second (N s)
- 7. Multiple Choice
SI unit for impulse
meter per second (m/s)
meter per second per second (m/s/s or m/s²)
Newton (N)
Newton-second (N s)
- 8. Multiple Choice
Which of the following is the symbol for momentum?
m
p
I
v
- 9. Multiple Choice
Which of the following represents the meaning of symbol "p" for momentum?
progress
persevere
protect
presence
- 10. Multiple Choice
Momentum is a ____________________ quantity
science
scalar (without direction)
vector (with direction)
energy
- 11. Multiple Choice
The momentum of an object depends upon the object's ___________&_____________.
size and shape
mass and inertia
mass and veloctiy
mass and energy
- 12. Multiple Choice
What is the metric SI unit for momentum?
g.m/s
kg.m/s2
kg.m/s
m/s
- 13. Multiple Choice
What happens to the momentum of an object if its velocity is doubled?
remains unchanged
doubles
quadruples
decreases
- 14. Multiple Choice
How does velocity of an object affect its momentum?
If velocity increases, momentum decreases.
If velocity increases, momentum doesn't change .
If velocity increases, momentum also increases.
If velocity decreases, momentum increases.
- 15. Multiple Choice
Which has more momentum: a truck stopped at a red light or a bike moving at 15 mph?
car
bike
they are equal
- 16. Multiple Choice
Which of the two cars has larger momentum?
blue car
yellow car
- 17. Multiple ChoiceIf two objects have the same mass, then the faster moving object has ____________ momentum.morelessthe same
- 18. Multiple Choice
When the speed of an object is doubled, its momentum...
remains unchanged in accord with the conservation of momentum.
doubles.
quadruples.
decreases.
- 19. Multiple ChoiceWhen the velocity of an object is doubled, its momentumremains unchanged in accord with the conservation of momentum.doublesquadruplesdecreases
- 20. Multiple Choice
Determine the momentum of 1,000-kg car moving northward at 20 m/s.
20,000 N
20,000 Joules
20,000 Kg * m/s
20,000 kg * m/s north
- 21. Multiple Choice
TRUE or FALSE:
A big truck will always have more momentum than a small car.
True
False
- 22. Multiple Choice
TRUE or FALSE:
A car turning at a constant speed has a changing momentum.
TRUE
FALSE
- 23. Multiple Choice
TRUE or FALSE:
A car turning at a constant velocity has a changing momentum.
TRUE
FALSE
- 24. Multiple Choice
TRUE or FALSE
Objects at rest have zero momentum.
TRUE
FALSE
- 25. Multiple Choice
TRUE or FALSE
Moving objects may or may not have momentum.
TRUE
FALSE
- 26. Multiple Choice
Which of the following statements is TRUE?
Momentum is inversely proportional to mass and velocity.
Momentum is directly proportional to mass but inversely proportional to velocity.
Momentum is directly proportional to mass and velocity.
Momentum is inversely proportional to mass but directly proportional to velocity.
- 27. Multiple Choice
Which of the following statement is FALSE?
All moving bodies have inertia.
All bodies have inertia.
Not all moving bodies have momentum.
Not all bodies have momentum.
- 28. Multiple Choice
The momentum of an object can be changed through the application of a force for a period of time. This change in momentum is equal to the product of the force and time. (Force x Time = Mass x Velocity)
Impulse-Momentum Theorem
Conservation of Momentum Theorem
Collision Theorem
Pythagorean Theorem
- 29. Multiple Choice
What does this symbol stand for in an equation?
change in
the sum of
the end of a river
3D
- 30. Multiple Choice
Impulse is a ____________________ quantity
science
scalar (without direction)
vector (with direction)
energy
- 31. Multiple Choice
What is the unit for impulse?
N/s
N-s
N
m/s
- 32. Multiple Choice
What is the equation use to calculate impulse?
I=mv
I=mt
I=Ft
I=Fm
- 33. Multiple ChoiceThe impulse is ______ the change in momentumGreater thanEqual toless thanalways double
- 34. Multiple ChoiceA(n) _________________ causes and is equal to a change in momentumimpulseforcejoulewatt
- 35. Multiple Choice
Which of the following is the symbol for impulse?
m
p
I
v
F
- 36. Multiple Choice
You are calculating the momentum of a 2 kg toy car moving along the sidewalk at a speed of 0.5 m/s. What would happen to the momentum if you doubled the mass of the car?
double
triple
quadruple
Momentum would not change.
- 37. Multiple ChoiceA force acts on an object for a given time. If the same force is allowed to act on the same object for a longer time, the impulse will besmallergreaterthe same
- 38. Multiple ChoiceA force acts on an object for a given time. If the same force is allowed to act on the same object for a longer time, the change in momentum for the object will besmallergreaterthe same
- 39. Multiple ChoiceA force acts on an object for a given time. If the same force is allowed to act on the same object for a longer time, the change in velocity for the object will besmallergreaterthe same
- 40. Multiple Choice
TRUE or FALSE
The more momentum that an object has, the harder it is to stop.
TRUE
FALSE
- 41. Multiple Choice
TRUE or FALSE
The more momentum that an object has, the easier it is to stop.
TRUE
FALSE
- 42. Multiple Choice
TRUE or FALSE
The more momentum that an object has, the lesser the impulse needed to change its momentum.
TRUE
FALSE
- 43. Multiple Choice
TRUE or FALSE
The more momentum that an object has, the greater the impulse needed to change its momentum.
TRUE
FALSE
- 44. Multiple Choice
A boy kicks football with a force of 20 N, the time the force acts for is 0.3 s. Calculate the impulse on the ball
60 Ns
1 Ns
6 Ns
None of these
- 45. Multiple ChoiceThe impulse-momentum theorem states thatthe impulse on an object is equal to the change in momentum it causesthe force on a moving object is equal to the magnitude of the impulse.the impulse on an object is greater than the change in momentum it causesthe impulse on an object is less than the change in momentum it causes
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