1) What is another name for Newton's 3rd Law of Motion? a) action-reaction b) Mona Lisa 2) The force of attraction between two objects? a) Friction b) Gravity 3) The force felt between two surfaces when one surface or object rubs against another? a) Balanced Force b) Friction 4) The force that is exerted by one object onto another object? a) Applied Force b) Magnetism 5) When two forces are the same strength but act in opposite directions a) Unbalanced Force b) Balanced Force 6) An attractive and repulsive force? a) Magnetism b) Gravity 7) For every action there is an equal and opposite reaction; action-reaction? a) Normal Force b) Newton's 3rd Law of Motion 8) The force that supports the weight of an object on a surface? a) Normal Force b) Gravity 9) The force applied in one direction is greater than the force applied in the opposite direction? a) Balanced Force b) Unbalanced Force 10) The force between the Moon and the Earth? a) Gravity b) Friction 11) The force that keeps a book on a table? a) Normal force b) Unbalanced force 12) The attraction caused the refrigerator door to close? a) Friction b) Magnetism 13) Rubbing your hands together? a) Friction b) Balanced force 14) A person pulling a wagon? a) Applied force b) Balanced Force 15) Which would increase friction a) sandpaper b) oil 16) Which would decrease friction? a) Rubber shoes b) ice 17) Why do trucks have breaks? a) To decrease friction b) To slow down or stop by friction  18) If gravity was suspended what would happen to an item that was sitting on a surface? a) It would float straight up b) Roll off of the surface 19) Unbalanced forces - a) cause the motion of an object to change. b) allow an object to remain at rest. 20) Abby is sitting on a chair. Gravity exerts a downward force on her. Based on Newton's law of action-reaction, the other force acting on Abby is- a) upward force of the chair. b) downward force of air pressure 21) This is a an example of a- a) balanced force b) unbalanced force 22) This is an example of a- a) unbalanced force b) balanced force 23) In a balanced force an object will - a) not move. b) move. 24) In an unbalanced force an object will -  a) not move.  b) move. 25) In what direction will the rope be pulled in the unbalanced force shown? a) Left b) Right

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?