5. Mrs. Purel 's 5" grade class wanted to know how the Egyptians moved the huge stones to make the pyramids.
The class watched a video on how the pyramids were
made. The students saw the stones of different sizes sitting
on large tree trunks being moved down a path. What forces
would be present when the stones are being moved?
A. The forces applied to the stone objects of different masses
are gravity, pushes and friction.
B. The forces applied to the stone objects of different masses
are gravity, pushes or pulls and friction.
C. The forces applied to the stone objects of different masses
are friction and gravity.
D. The forces applied to the stone objects of different masses
are pulls and pushes, friction and gravity.