Ch-05: Gravitation

Ch-05: Gravitation

After studying this unit, the students will be able to:

• State Newton's law of gravitation.
• Explain that the gravitational forces are consistent with Newton's third law.
• Explain gravitational field as an example of field of force.
• Define weight (as the force on an object due to gravitational field).
• Calculate the mass of Earth by using law of gravitation.
• Solve problems using Newton's of gravitation.
• Explain that value of g decreases with altitude from the surface of earth.
• Discuss the importance of Newton's law of gravitation in understanding the motion of satellites.

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