Tuesday, January 6, 2009
Physics question dealing with mass and gravity?
What would it weigh on mars where acceleration due to gravity is .378 times that on Earth?
How do you solve this?? I left my notes at school and can't remember how you do it.
5.30 N = mass of the bread * gravity of earth
mass of the bread * gravity of earth * .378 times that of earth = the force on Mars
.378 * 5.30 N ~ 2.00 Newtons
somebody correct me if I'm wrong
m = F/a
m = 5.30/9.81= 0.540kg mass is universal
use mass to find the force on mars
F = ma = 0.540*9.81*.378 = 2.00 N
g on mars = .378 x (9.81m/s2) = 3.70818 m/s2
Weight on Earth = mass of bread x gravity
5.30 N = mass x 9.81m/s2
so mass of bread = 0.5403 Kg
Weight on mars = mass of bread x gravity on mars
= (0.5403 Kg) x (3.70818 m/s2)
= 2.0034 N(this is your final answer)
hope that helps
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Posted by smith |