Physics Review

An object at rest stays at rest, and an object in motion stays in motion at a constant velocity unless acted upon by a net external force.

Average speed is the total distance traveled divided by the total time taken.

Net force is the vector sum of all the forces acting on an object, determining its acceleration.

Friction is the force that opposes the relative motion of two surfaces in contact.

A distance-time graph shows how the distance traveled by an object changes over time.

Acceleration is the rate of change of velocity of an object with respect to time.

Speed = Distance / Time.

The object will accelerate in the direction of the net force.

Inertia is the tendency of an object to resist changes in its state of motion.

Weight is the force exerted by gravity on an object, calculated as Weight = Mass x Gravity.