How To Explain Newton's Second Law

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Midterm exam-Phy120

1 a) Newton 's First Law:

Newton’s first law states that an object remains in its state of rest or uniform motion and in the same direction, unless acted upon by an unbalanced external force

b) Explain Newton 's First Law as if you are talking to a friend

When you consider two objects in motion and at rest, you will realize that there is a natural tendency of these objects to resist changes in their states of motion. This holds unless an external unbalanced force is applied on the objects.

c) Real-world example of Newton 's First Law:

A practical example of Newton’s first law of motion is the motion of a car at a constant speed of 60km/hour with passengers on board. While the car is in motion, the passengers and the driver will move at the same speed. When an emergency brake is suddenly

In addition, the acceleration will be directly proportional to the magnitude of the net force and inversely proportional to its mass.

b) Explain Newton 's Second Law as if you are talking to a friend:

When an object is pushed (applying a net force) so that it moves, the object will move towards the direction of the push (net force). Additionally, its acceleration will increase with an increase in the force applied and vice versa. Conversely, an object of a larger mass will move slowly and vice versa.

c) Real-world example of Newton 's Second Law:

A practical example can demonstrate by either pushing a car or a bicycle. Obviously, the car weighs more than the bicycle. Thus, much force will be required to push it compared to the bicycle, for both bodies to move with equal magnitudes of acceleration.

3 a) Newton 's Third Law:

Newton’s third law states that for every action, there must be an equal and opposite