The force of gravity acts on all apples on an apple tree. Some apples are twice as far from the ground. Such twice-as-high apples of the same mass, have
A) 1/4 the weight.
B) 1/2 the weight.
C) practically the same weight.
Question 2
A 40-kg crate is being lowered with a downward acceleration is 2.0 m/s2 by means of a rope.
(a) What is the magnitude of the force exerted by the rope on the crate?
(b) What would be the magnitude of the force exerted by the rope if the crate were being raised with an acceleration of 2.0 m/s2?
Schematic relationship between a phylogenetic tree and taxonomy.
A phylogenetic tree showing the major eukaryotic supergroups.
Gravity
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