Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
Which one of the following gives the magnitude of the net force acting on an object of mass
m
m
m
that is dropped from rest in vacuum near the Earth’s surface (air resistance neglected)? a)
m
g
2
\dfrac{mg}{2}
2
m
g
b) 0 c)
m
g
mg
m
g
d)
2
m
g
2mg
2
m
g
Browse the problem library