Question

difference between planet and satellites 3 differences​

Answer 1

⚫PLANETS
1. Planets are heavenly bodies which orbit (travel around ) the sun.

2.They do not have their own light , but reflect light from the sun.

3. Example - Earth, Mars, etc...

⚫Satellites
1. Satellites are also heavenly bodies, but much smaller than planets , which they orbit in the same way as planets orbit the sun.

2.Satellites too, reflect light from the sun. Except for Mercury and Venus , all planets have satellites.

3. Example- Earth’s satellite is the moon.

Answer 2

Now consider a force acting on an object, but the object moves in a direction perpendicular to the forceif the angle θ is 90 degrees how can the work done by F⃗ on the object is zero.