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Worksheets2nd Summative Test
Total questions: 20
Worksheet time: 11mins
Michael and Grace are having a debate: Is the impulse given to an object equal to the change in momentum?
True
Could be either.
False
Not enough information to tell.
Scarlett, Daniel, and Benjamin are all excited to test their knowledge! Airbags and collapsible bumpers both (a)______ the (b) ______ to (c) _____ the force in a collision.
a. lengthen
b. time
c.
shorten
d. work
e.
decrease
Two penguins, Mia and David, are having a sliding race on an iceberg! Mia, a particularly chubby penguin weighing 40 kg, slides down the iceberg at 14 m/s and accidentally bumps into David, a smaller penguin weighing 29 kg. They bounce off each other. If Mia slides to the left at -1.4 m/s, what is the velocity of David?
a.
17.4 m/s
b.
56 m/s
c.
-21.2 m/s
d.21.2 m/s
Coach Smith challenges Kai, Emma, and Hannah to strike a 0.058 kg golf ball with a force of 272 N, giving it a velocity of 62.0 m/s. How long was the club in contact with the ball?
a..013 seconds
b.
.026 seconds
c.
3.6 seconds
d.
.058 seconds
Michael's 5500 kg freight truck goes from 4.2 m/s to 7.8 m/s in 15.0 s by applying a constant force.
What is the change in momentum?
a. 42900 kg⋅m/s
b.
3670 kg⋅m/s
c.
19800 kg⋅m/s
d.
63490 kg⋅m/s
Liam was enjoying his coffee at the local coffee shop when he witnessed an exciting event - two cars collided and stuck together! What type of collision did Liam observe?
(a)
Oliver and David are debating whether the impulse given to an object is equal to the change in kinetic energy. Who do you think is correct?
a. Oliver is right!
b. Not enough information to tell!
c. David knows the answer!
d. Only in certain situations
While playing pool, Liam and Evelyn notice that the pool balls bounce apart in a super cool way! What type of collision is this?
(a)
Which of the following factors determine the momentum of an object: its mass and velocity?
a.
size and shape
b. mass and veloctiy
c.
mass and speed
d. mass and energy
Arjun, Aria, and Priya are competing in a momentum challenge! What is the equation to calculate momentum?
a.
p=mv
b.
p=mgh
c.
p=1/2mv2
d.
p=mg
During a thrilling car race, Arjun noticed that the ______ is ALWAYS constant
a.
Total Momentum
b.
Total Velocity
c.
Total Speed
d. Energy
Harper, Hannah, and Oliver are racing to see who can solve this problem first! The impulse is ______ the change in momentum
a.
Greater than
b.
Less than
c. Equal to
d. Always double
Abigail and David are racing each other. If Abigail's speed is doubled, what happens to her momentum?
a. It doubles
b. It stays the same
c. It decreases
d. None of the above
Hey there! Can you help Abigail figure out which of the following units represents the standard metric units of momentum?
a. Newtons * meter / second
b. Kilograms * meter / seconds
c. meter / second
d. Kilograms * meter / second
Hey there! Can you help Aria solve this fun problem?
Which of the following choices represents the standard metric units of impulse?
a.
Kilograms * meter / second2
b.
meter / second2
c.
Newton * meter
d. Newton * second
During a thrilling car race, Mia was relieved to find out that padded dashboards are safer in accidents than non-padded ones. Why is that so?
a. Increased time of impact
b. Decreased impulse
c. Decreased impact force
d. a and b
e. a and c
Hey there! Let's test your physics knowledge with this fun question:
What formula do we use to calculate impulse?
a. Impulse = mass * acceleration
b. Impulse = force * time
c. Impulse = velocity * time
d. Impulse = momentum / time
Hey there! Can you tell me what the unit of impulse is in the standard metric system?
a. Newton * second
b. Kilograms * meter / second
c. Newton * meter
d. Kilograms * meter
Grace and Daniel are playing a game where they double the mass of an object. How does the momentum change?
a. It doubles
b. It halves
c. It remains the same
d. It quadruples
An egg landing on a soft surface will remain intact. The surface increases the _____ and decreases the _____ during the impact
a. impulse, time
b. force, time
c. impulse, force
d. time, force
