Exam (elaborations)
PHYSICS 1 - midterm 1 review exam questions and answers
- Course
- Institution
PHYSICS 1 - midterm 1 review exam questions and answers
[Show more]
Content preview
PHYSICS 1 - midterm 1review exam
questions and answers
If an equation is dimensionally correct, does
that mean that the equation must be true? -
answer No
If an equation is not dimensionally correct,
does that mean that the equation cannot be
true? - answer Yes
Must two quantities have the same
dimensions if you are adding them? - answer
Yes
Must two quantities have the same
dimensions if you are multiplying them? -
answer No
,Must two quantities have the same
dimensions if you are subtracting them? -
answer Yes
Must two quantities have the same
dimensions if you are equating them? -
answer Yes
Newton's second law of motion says that the
mass of an object times its acceleration is
equal to the net force on the object. Which of
the following gives the correct units for
force? - answer kgm/ s^2
The fundamental quantity is - answer
temperature
torr is the unit of - answer pressure
Which of the following is the dimensions of
pressure? - answer [ML-1T-2]
Dimensions of Gravitational constant G are -
answer [M-1L3T-2]
, density of an object is defined as - answer
the amount of mass for each unit of volume
The equation for the change of position of a
train starting at t=0 is given by ____, where a
and b are constants. What is the dimension
of b? Note that a and b are constant with
dimensions. - answer LT-3
Which one of the quantities below has
dimensions equal to [ML/T^2] - answer
(mv^2)/r
if force F, acceleration A and time T are taken
as fundamental physical quantities, the
dimension of length L in this new system will
be - answer [AT^2]
The distance between two cities is 100 mi. Is
the number of kilometers between the two
cities larger, smaller, or equal to 100? -
answer larger than 100 D
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 BRAINBOOSTERS. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77333 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now