Physics Semester Review

Front

What type of force is being used by the dog?

Back

Pull

Front

What is the net force acting upon the object if Fnet = 0 N?

Back

The object is in equilibrium, meaning all forces are balanced.

Front

Where is the planet moving faster: Position A to B, Position B to C, Position H to I, or Position I to J?

Back

Position A to B.

Front

What law states that the harder you hit a baseball, the faster it accelerates?

Back

Newton's 2nd Law of Motion.

Front

If 68 W of power is produced in 18 seconds, how much work is done?

Back

1,224 J.

Front

Define Newton's 1st Law of Motion.

Back

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

Front

What is the formula for calculating work done?

Back

Work = Force x Distance x cos(θ), where θ is the angle between the force and the direction of motion.

Front

What is the unit of power?

Back

Watt (W), which is equivalent to Joules per second (J/s).

Front

Explain the concept of net force.

Back

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

Front

What does it mean if an object has a net force of 0 N?

Back

The object is either at rest or moving at a constant velocity.