An Object Moving at Constant Velocity in an Inertial Frame

question 38

Multiple Choice

An object moving at constant velocity in an inertial frame must:

• A)have a net force on it
• B)eventually stop due to gravity
• C)not have any force of gravity acting on it
• D)have zero net force acting on it
• E)have no frictional force acting on it

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Definitions:

Diethylstilbestrol

A synthetic estrogen that was prescribed between the 1940s and 1970s to prevent pregnancy complications, later found to cause health issues in exposed children.

Teratogens

Agents or factors that can cause developmental abnormalities or birth defects in an embryo or fetus.

Blastocyst

An early stage embryo consisting of approximately 150 cells formed about five days after fertilization, characterized by a fluid-filled cavity and the differentiation into an inner cell mass and outer layer.

Placenta

The organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing fetus while removing waste products.