You throw a ball upwards into the air. Represent this motion with a motion diagram, position-time graph, velocity-time graph, and two force diagrams (one when the ball is moving upwards and another when the ball is on its way back down)

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**Understanding Projectile Motion: Throwing a Ball Upwards**

When you throw a ball upwards, its motion can be analyzed and represented through various types of diagrams and graphs. These include:

1. **Motion Diagram**: This diagram represents the position of the ball at successive times. Dots or points are placed progressively further apart when the ball is in rapid motion. Initially, the dots will be close together at the start, spread apart as the ball rises, and then get closer again as it slows down at the peak.

2. **Position-Time Graph**: This graph plots the height of the ball (position) against time. It usually forms a parabola, showing the initial upward slope as the ball rises, reaching a peak when the ball stops ascending, followed by a downward slope as the ball falls back to the ground.

3. **Velocity-Time Graph**: This graph depicts the ball’s velocity over time. The graph will start with a positive value (upwards motion), decrease to zero (at the peak), and then become negative as the ball falls back down. It generally forms a linear line that crosses the horizontal axis at the peak.

4. **Force Diagrams**:
   - **Upward Motion**: This force diagram will show two main forces: the upward force exerted by throwing the ball and the downward gravitational force. At this stage, the upward force is greater than gravitational force, allowing the ball to ascend.
   - **Downward Motion**: Once the ball reaches its peak and starts descending, the gravitational force is the primary force acting downwards, pulling the ball back to the ground.

These graphical representations help in understanding the dynamics of projectile motion, including how forces like gravity and initial velocity affect the movement of objects.
Transcribed Image Text:**Understanding Projectile Motion: Throwing a Ball Upwards** When you throw a ball upwards, its motion can be analyzed and represented through various types of diagrams and graphs. These include: 1. **Motion Diagram**: This diagram represents the position of the ball at successive times. Dots or points are placed progressively further apart when the ball is in rapid motion. Initially, the dots will be close together at the start, spread apart as the ball rises, and then get closer again as it slows down at the peak. 2. **Position-Time Graph**: This graph plots the height of the ball (position) against time. It usually forms a parabola, showing the initial upward slope as the ball rises, reaching a peak when the ball stops ascending, followed by a downward slope as the ball falls back to the ground. 3. **Velocity-Time Graph**: This graph depicts the ball’s velocity over time. The graph will start with a positive value (upwards motion), decrease to zero (at the peak), and then become negative as the ball falls back down. It generally forms a linear line that crosses the horizontal axis at the peak. 4. **Force Diagrams**: - **Upward Motion**: This force diagram will show two main forces: the upward force exerted by throwing the ball and the downward gravitational force. At this stage, the upward force is greater than gravitational force, allowing the ball to ascend. - **Downward Motion**: Once the ball reaches its peak and starts descending, the gravitational force is the primary force acting downwards, pulling the ball back to the ground. These graphical representations help in understanding the dynamics of projectile motion, including how forces like gravity and initial velocity affect the movement of objects.
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A ball is thrown upward into the air with the initial velocity and it goes in the upward direction the ball's velocity get decreases with the height of the ball due to gravity which act always in the downward direction. and when it reaches some height the velocity of the ball becomes zero. from that point, the ball starts moving down the velocity of the ball increases with the acceleration of gravity. 

Find:- 

The motion with a motion diagram 

Position- time graph and velocity time graph 

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