(a) Explain the statement the acceleration of free fall cohesion.
(b) State two factors that can affect the value of the narrow glass tube has a concave meniscus while acceleration of free fall at a place.
Explanation
(a) This means that at the equator, the force of gravity on a body causes its velocity to increase at the rate of 9.78m/s per second.
(b)(i) The rotation of the earth on its axis.
(ii) The earth is not a perfect sphere.
(iii) The altitude of a place