Ng Bee San's answer to Joe's Primary 6 Maths Data Analysis Singapore question.

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Ng Bee San
Ng Bee San's answer
166 answers (Tutor Details)
1st
A and C

To test effect of mass on frictional force, the mass should be different and the direction of force the same.
Joe
Joe
3 years ago
Thanks
Joe
Joe
3 years ago
Tq