Answer:
1. An objects position is its <u>distance</u> and <u>direction</u> from a <u>reference point</u>.
2.<u>Displacement</u> is <u>difference</u> between its <u>final</u> and <u>initial</u> positions.
Explanation:
For any position we required a reference point and the distance between the reference point and the object.
For example:
an object is 40 m away from a table.
Here the <u>distance is 40 m</u> from a reference point that is <u>a table.</u>
Displacement is the difference between its final and initial position.
For example
A person walk 20 km and then returned back 10 km.
Here distance traveled by a person is 30 km. But displacement is (20 - 10) that is the difference between final and initial position.
So displacement is 10 km.
Answer:
D.
The forces on the book are balanced because the gravity pulling down on the book is equal to the upward force applied by the table.
If the Earth's axis were closer to "straight up and down" than
the present 23.5°, then . . .
-- The areas around the north and south poles where the sun
can be up or down for more than 24 hours would be smaller.
-- The "Tropic Zone", between the Tropic of Cancer and the
Tropic of Capricorn, where it's possible for the sun to be
directly overhead, would be narrower.
-- There would be less difference, everywhere, between the
lengths of daylight on the "longest day" and the "shortest day"
of the year.
-- The seasons would be less extreme everywhere. There would
be less difference, everywhere, between the coldest part of the
Winter and the warmest part of the Summer.
