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primary 6 | Maths | Speed
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Joy
Joy

primary 6 chevron_right Maths chevron_right Speed

Please answer tennis ball question. Thanks.

Date Posted: 6 years ago
Views: 468

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Hao Ming
Hao Ming's answer
2 answers (Tutor Details)
1st
A is correct, because as the ball moves to the left, it is sliding towards the right with respect to the floor. Since friction acts in the opposite direction of motion (sliding right), it is acting towards the left.