You’re using more force to kick the brick than to push it gently.
Change in Momentum = mv - mu.
u = 0, v = 10 m/s. Note ball accelerated from rest, so initial velocity = 0. u =0
Change in Momentum = mv - mu = 3*10 - 3*0 =30.
Change in Momentum = 30 kgm/s.
Answer:
Displacement
Explanation:
An object exhibiting simple harmonic motion, the restoring force is directly proportional to the displacement of the object. The direction of direction of the force is in opposite direction of the displacement. It is given by :
![F=-kx](https://tex.z-dn.net/?f=F%3D-kx)
k is the spring or force constant
x is the displacement
So, the correct option is (b) "displacement".
Most experiments are done in a laboratory