Activity 2: "May the Force be with You" Direction: Analyze each figure below. Answer each question briefly.
1. Which object possess balanced force?
2. What will happen to object A when different amount of force is applied on it? Why?
3. Explain the situation of Object B when two equal forces are acting on it?
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Answer:
1. Object B possesses balanced force.
2. If different amounts of force are exerted on the object, it will cause the object to move. Specifically, for object A, it will move to the left.
3. For object B, since two equal forces are acting on it, the object will not move or stay in place.
Explanation:
Balanced forces happen when two forces acting on an object are equal in magnitude but are applied in opposite directions. Since force is in equal magnitude and in opposite directions, they will cancel each other. Thus, an object that is initially at rest will continue to be at rest and a moving object continues to move at the same speed and the same direction. An example of this is when you placed an object on a table. The weight of the object on the table is balanced by the upward force exerted by the table on the object. Thus, this object continues to be at rest. However, if there are two unequal forces acting on an object, we can say that there are unbalanced forces. There is a net force or resultant force acting on the object. This net force will cause a stationary object to move in the direction of the net force or for a moving object to change its speed and/or change its direction. For example, for object A, the net or resultant force will be 20 N to the left. Thus, the object will move to the left.
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