Thread Closed

NEED HELP QUICK (regarding weight and acceleration)

 
Share Thread Thread Tools
Oct3-08, 06:55 PM   #1
 

NEED HELP QUICK (regarding weight and acceleration)


1. The problem statement, all variables and given/known data
Answer True, False, or Cannot tell to each of the five statements below.
E.g., if the answer to the first statement is `true' and to the rest, `cannot tell', enter TCCCC.

A)You pour 100 g of salt onto a spring scale in an elevator accelerating upward. The scale reads a value greater than 100 g.

B)A 2 kg and a 3 kg ball are dropped from a tower. The net forces on each are the same.

C)Mass and weight describe the same thing, although in different units.

D)You are standing on a jet-powered platform that can move straight up or down. Your apparent weight is greater than your true weight if the platform is descending and speeding up.

E)An astronaut stands on a bathroom scale on the surface of Jupiter; the scale does not read his true weight.


2. Relevant equations



3. The attempt at a solution
I have tried attempted many solutions (13 out of 15 tries used up). I am fairly sure that B), C), and D) are false. Quick help would be appreciated, time is running short.
PhysOrg.com
PhysOrg
science news on PhysOrg.com

>> King Richard III found in 'untidy lozenge-shaped grave'
>> Google Drive sports new view and scan enhancements
>> Researcher admits mistakes in stem cell study
Oct3-08, 07:00 PM   #2
 
Mentor
Blog Entries: 1
What about the ones you're not sure about? What's your reasoning on those?
Thread Closed
Thread Tools


Similar Threads for: NEED HELP QUICK (regarding weight and acceleration)
Thread Forum Replies
mass, weight, acceleration, motion General Physics 1
finding acceleration and weight Introductory Physics Homework 1
Force Acceleration Weight Introductory Physics Homework 5
Weight Shift at speed (acceleration and braking) Mechanical Engineering 5
weight in N with change in acceleration Advanced Physics Homework 2