Question

Drag each label to the correct location on the image. Each label can be used more than once.
The position-time graph describes the motion of a moving object. Describe the motion represented by each segment of the graph.
not moving
constant velocity
positive acceleration
negative acceleration

Answer 1

Answer:

Point A to B = not moving

Point B to C = positive acceleration

Point C to D = constant velocity

Point D to E = not moving

Point E to F = negative acceleration

Explanation:

Point A to B = not moving

Point B to C = positive acceleration

Point C to D = constant velocity

Point D to E = not moving

Point E to F = negative acceleration

A point of zero slope in a position vs time graph implies that the velocity goes to zero at that time. Thus, the velocity is increasing in the positive direction, implying positive acceleration. Everywhere to the left of the vertex, the velocity is negative and approaching zero.

Answer 2

An acceleration is said positive when an object speeds up and the acceleration is negative when object slows down.  

Point A to B object is not moving.  

Point B to C object is positive acceleration.  

Point C to D object is at constant velocity.  

Point D to E object is not moving.  

Point E to F object is negative acceleration.  

Acceleration:

It is defined as the rate or  direction of change in the velocity.

An acceleration is said positive when an object speeds up and the acceleration is negative when object slows down.

In the given a position vs time graph,

• From point B to C, object is increasing its velocity thus the acceleration will be positive.

• From point E to F, the object is slowing down thus the acceleration will be negative.

To know more about acceleration,

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