SC-1144
Contact and non-contact forces
Lower Sec Science · Secondary 2 · Medium · Contact and non-contact forces
A book is resting on a table. Several forces act on the book. Which of the following is a non-contact force acting on the book?
- Support force from the table on the book
- Frictional force between the book and the table
- Gravitational pull of Earth on the book
- Push of the surrounding air on the book
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