Newton's+Laws+Review

1. Differentiate between the characteristics of mass, weight, and inertia.

2. Calculate the mass or weight of an object. solution:

3. Identify the characteristics of the four fundamental forces of physics and the commonly used forces in physics.

4. Draw a free-body diagram of an object.

5. Determine the missing force on an object at rest or moving with a constant velocity.

6. Determine whether the forces on an object are balanced or unbalanced (Newton’s First Law).

7. Determine the characteristics of the force required to produce a given motion (its direction, whether it's increasing, decreasing, or constant). solution:

8. Identify the type of proportion between acceleration and net force and between acceleration and mass. Use knowledge of those proportions to determine what happens to acceleration when net force or mass are changed (Newton’s Second Law). solution:

9. Solve mathematical problems involving acceleration, mass, and net force. solution:

10. Draw the free-body diagram of an object in an elevator, taking care to draw the forces the proper length. solution:

11. Determine the effect of motion in an elevator on the apparent weight of an object. solution:

11. Compare the forces that two objects exert on one another in any situation (Newton’s Third Law).

12. Identify action and reaction forces. solution:

13. Identify the factors that can change the force of friction on an object.

14. identify the factors that can change the coefficient of friction on an object.

15. Determine the force of friction acting on an object. solution: