They are counter-intuitive, and will need a great deal of practice to ensure they are used correctly.

Teaching Guidance 16-19

Students will have discovered that: a constant force accelerates a given mass with constant acceleration; doubling the force...

Teaching Guidance 14-16

Distinguishing–eliciting–connecting. How to:

Teaching Guidance 11-14

In the SPT: Forces topic we suggested that you look at the physical interactions of the objects with the surroundings as a way...

Teaching Guidance 11-14

The key point to get over here is that the motion changes for just as long as a resultant force is acting. Very often objects...

Teaching Guidance 11-14

The very common misconception here is that if you push a trolley to set it moving, the trolley carries that driving force with...

Teaching Guidance 11-14

Teaching Guidance 11-14