Consider What Happens When You Jump Up in the Air

question 48

Multiple Choice

Consider what happens when you jump up in the air.Which of the following is the most accurate statement?

• A)It is the upward force exerted by the ground that pushes you up,but this force can never exceed your weight.
• B)You are able to spring up because the earth exerts a force upward on you which is stronger than the downward force you exert on the earth.
• C)Since the ground is stationary,it cannot exert the upward force necessary to propel you into the air.Instead,it is the internal forces of your muscles acting on your body itself which propels the body into the air.
• D)When you push down on the earth with a force greater than your weight,the earth will push back with the same magnitude force and thus propel you into the air.

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Definitions:

Concrete Operational

A stage in Piaget's theory of cognitive development, where children aged around 7-12 years gain the ability to think logically about concrete events.

Concrete Operations

a stage in Piaget's theory of cognitive development, where children aged 7 to 12 years become capable of logical thought processes but are not yet able to handle abstract reasoning.

Conservation Tasks

Cognitive tests used in developmental psychology that measure a child's ability to understand that certain properties of objects can remain the same despite changes in the object's form or appearance.

A-not-B Effect

A cognitive error observed in infants, where they repeatedly reach for an object at a place (A) where it was previously found, even after seeing it moved to a new location (B).