Tagged Questions
0
votes
0answers
72 views
Weight distribution of rod [closed]
A line with mass - a metal rod of mass $X$, with a scale at each end. As the rod is vertical the scale at the bottom will read the full mass, as the rod reclines to horizontal each scale will read ...
1
vote
1answer
50 views
If a cart hits a wall, does the weight of it affect how it moves, when the center of gravity is constant?
I have a model that represents a bicycle (a wood block with wheels), and I'm balancing the center of gravity so it's the same as a real bike. However, when the center of mass is kept constant, does ...
5
votes
4answers
462 views
Why do we weigh less when falling?
I don't want to go to science world to find out because it would be a long round-trip.
I understand that acceleration/deceleration would effect the weight and I can also imagine that someone at ...
1
vote
3answers
308 views
If something weighs 25 kg, how do I find the mass of the object?
An object is falling and it weighs 25 kg (on a scale, presumably). What is its mass?
I know that weight is measured in Newtons and mass in kilograms, but what if a problem states that something ...
13
votes
9answers
1k views
What is the difference between weight and mass?
My science teacher is always saying the words "weight of an object" and "mass of an object," but then my physics book (that I read on my own) tells me completely different definitions from the way ...