Physics Quiz

What does the symbol Δ mean in physics?

• Distance

• Change in

• Speed

• Time

What is the definition of a frame of reference?

• The length of a path between two points

• A system of objects that are not moving relative to each other

• A quantity with both magnitude and direction

• A scalar quantity that refers to how fast an object is moving

What is the length of a path between two points called?

• Displacement

• Speed

• Distance

• Vector

Which of the following is a quantity with both magnitude and direction?

• Speed

• Distance

• Vector

• Frame of reference

What does displacement indicate?

• The length of a path between two points

• How fast an object is moving

• The distance and direction from an initial point to a final point

• The speed of an object at a particular instant in time

How is speed defined?

• A vector quantity that indicates the distance and direction from an initial point to a final point

• A scalar quantity that refers to how fast an object is moving

• The speed of an object at a particular instant in time

• The length of a path between two points

What is the formula for speed?

• Δ distance / Δ time

• Distance / Time

• Displacement / Time

• Distance / Displacement

What does instantaneous speed refer to?

• The speed of an object over a long period

• The speed of an object at a particular instant in time

• The average speed of an object

• The speed of an object in a vacuum

In a position vs time graph, what does the slope of the line represent?

• The object's acceleration

• The object's speed

• The object's displacement

• The object's distance

What does a horizontal slope in a distance-time graph indicate?

• The object is accelerating

• The object is moving at a constant speed

• The object is not moving, it is at rest

• The object is decelerating