Page 3 - CBW Measurement & Motion

Activity-Based Questions
12. Drop a rubber ball from a certain height and allow it to bounce several times. Observe
the number of bounces and the height each time. Record the time it takes for the ball to
complete one bounce cycle.
i) What type of motion does the ball experience while bouncing?
ii) Does the ball lose energy after each bounce?

13. Turn on a table fan or a ceiling fan and observe the fan blades. Notice the way the
blades rotate around a fixed central point.
i) What type of motion are the fan blades undergoing?
ii) Why is the motion of the fan blades called rotational motion?

Conversions and Calculations
14. A student measures the length of a table using a ruler. The length of the table is found
to be 150 cm. Convert this length into meters.
15. A rectangle has a length of 10 meters and a width of 5 meters. Find its perimeter in cm.