Page 24 - Amos Vusi Msiza Portfolio 216071123

2. Baseline/prior knowledge
Using Question and Answer Discussion and Explanation
Method to clarify
Method
misconception
- What is the scientific -A force must act on the object
meaning of “Work on which work is done, all the
done”? time.
- Which unit is used to - The object must move in the
calculate work? direction of the force that is
- Derive the formula applied (Displacement must
to calculate work? be in the same direction)
- Is work done a - Under frictionless conditions,
scalar or a vector no work is done when the
quantity? Explain object is moving at a uniform
your answer. velocity, since no resultant
force is applied
-The must be a resistance of
some kind to the object’s
motion, otherwise the force
would not be necessary
- When a resultant force is
applied and causes a