Answer: Option <em>a.</em>
Explanation:
Kepler's 2nd law of planetary motion states:
<em>A line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time.</em>
It tells us that it doesn't matter how far Earth is from the Sun, at equal times, the area swept out by Earth's orbit it's always the same independently from the position in the orbit.
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The Gravitational Force between given objects will be ~
We know that ~
where ~
= mass of 1st object = 70 kg
= mass of 2nd object = 2000 kg
- G = gravitational constant =
- r = distance between the objects = 1 m
Let's calculate the force ~
Answer:
A
Explanation:
When you pull the string the weight will experience a downward force and come closer to the vertical tube. And the angle between weight and hand through string is decreased so the angular velocity decreases
Newtons Law of motion
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