Select all that apply. An acorn falls from a tree. Which of the following statements is true? The force of gravity is acting on
the acorn. The force of gravity is the only force acting on the acorn. A frictional drag force is acting on the acorn. The net force on the acorn is less than the force of gravity.
2 answers:
Answer:
The force of gravity is acting on the acorn.
A frictional drag force is acting on the acorn.
The net force on the acorn is less than the force of gravity.
Explanation:
The force of gravity is acting on the acorn is in vertically downwards direction.
A frictional drag force is acting on the acorn is in vertically upwards direction.
The net force on the acorn is given by
Net force = Force of gravity - Frictional drag force
It is always less than the force of gravity.
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Answer:
Explanation:
Given
mass of Point object
Distance
Since mass is moving in circular path therefore every time mass is at distance of r from center .
Also Moment of Inertia tells about the distribution of mass over the given region with respect to center of mass.
Therefore