A force acts on an object of mass 1.5kg at rest for 0.5s. After the force stops acting the object travels a distance of 5m in 2s. hence the magnitude of the force will be?
1 Answer
Jul 4, 2017
Explanation:
We're asked to find the magnitude of the net force acting on the object.
We know:
-
initial velocity
v_(0x) = 0 (at rest) -
mass
m = 1.5 "kg" -
time
t = 0.5 "s" -
final velocity
v_x = (5color(white)(l)"m")/(2color(white)(l)"s") = 2.5 "m/s"
Let's use the kinematics equation
to find the acceleration. Plugging in known values, we have
The net force