Exam (elaborations)
PHYS 1050 Physics I Midterm Exam 1 questions and answers University of Manitoba
- Course
- Institution
PHYS 1050 Physics I Midterm Exam 1 questions and answers University of Manitoba
[Show more]
Content preview
PHYS 1050 Physics I Midterm Exam 1questions and answers University of
Manitoba
, Which of these vehicles is accelerating? - A train that is moving at a steady speed around a curved track.
You are weighing a pineapple on a spring scale. The scale reports the pineapple's correct weight only
when - the pineapple is in equilibrium (zero net force).
You are pulling a toy wagon up a ramp that rises vertically 1 meter for every 8 meters you travel uphill
along its surface (see figure). If you let go of the wagon, how will it move? [neglect friction and effects
due to the air] - It will accelerate downhill at 1/8th the acceleration due to gravity.
A box is touching the top of a table. The downward for the box exerts on the table - can be greater than,
less than, or equal to the box's weight.
You are watching two puppies fight over a rubber toy. The puppy on the right pulls its end of the toy
toward the right while the puppy on the left pulls its end of the toy toward the left. Suddenly, the puppy
on the right pulls its end of the toy violently toward the right while the puppy on the left keeps its end of
the toy from moving. The toy breaks into two pieces. Breaking the toy required energy and that energy
was provided by - the puppy on the right.
You pole vault over the bar and drop onto the giant mattress below. After bouncing a few times, you
settle motionless at equilibrium on the mattress. When during your initial descent from the bar into the
mattress did you reach your greatest downward velocity? - When you were at equilibrium and moving
downward.
You are riding a carousel and are moving in a circular path at a constant speed. Just as you reach the
northern-most point on the circular path and are heading toward the east, you accidentally let go of
your keys. In which direction do your keys move? - The keys move toward the east as they fall.
Running on soft dry sand is exhausting, so you switch to running on hard wet sand. The hard wet sand
removes less energy from you because - it barely moves downward as you push downward on it, so you
do almost zero work on it.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller smartzone. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now