The Graph Below Shows the Velocity Versus Time Graph for a Ball.Which

question 31

Multiple Choice

The graph below shows the velocity versus time graph for a ball.Which explanation best fits the motion of the ball as shown by the graph?

• A)The ball is falling,is caught,and is thrown down with greater velocity.
• B)The ball is rolling,stops,and then continues rolling.
• C)The ball is rising,hits the ceiling,and falls down.
• D)The ball is falling,hits the floor,and bounces up.
• E)The ball is rising,is caught,and then is thrown down.

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Definitions:

Hydraulic Pump

A device that converts mechanical energy into hydraulic energy by forcing fluid from a reservoir into a hydraulic system.

Rpm

Stands for revolutions per minute, a measure of the frequency of rotation, specifically the number of rotations around a fixed axis in one minute.

Load

The amount of electrical power or physical weight that is applied or carried by a system or component.

Spool Valves

Mechanical devices used in hydraulic and pneumatic systems to control the flow of fluid or air, typically by moving a cylindrical spool within a housing to open or close channels.