3 COMMON MISTAKES IN FORCES: *Apologies that the alignment of this page is off & I can't seem to get it adjusted for now. If you want a downloadable worksheet, PM us at isuninfo@gmail.com * 1. Gravitational force (GF) vs Gravitational Potential Energy (GPE) Example 1 The ISUN warriors were playing at the corridor with a wooden ball. Xavier accidentally threw a ball and it travelled in the path as shown below rolling to a stop. Which one of the following statements is correct? 1) Gravity acted on the ball only when it travelled from Q to R. 2) There are no other forces acting on the ball from P to Q except gravity. 3) The amount gravity acting on the ball when it travelled from P to R is the same. 4) The amount of gravity acting on the ball increased when the ball travelled from P to Q and d...
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