Mark the force term the call names

Exercise and reference answers

Clues and terms

1. Clue

   The property that keeps an object doing what it is already doing until a force acts

   Item

   Inertia

2. Clue

   The push a surface gives an object on it, at a right angle to that surface

   Item

   Normal force

3. Clue

   The force that opposes motion and acts parallel to the surface in contact

   Item

   Friction

4. Clue

   The force inside a rope, chain or strut that is holding something up

   Item

   Tension

5. Clue

   The unit of force in the international system of units, given the symbol N

   Item

   Newton

6. Clue

   The vector sum of all the forces acting on the same object

   Item

   Resultant

7. Clue

   A sketch showing the object as a dot with every force drawn as an arrow off it

   Item

   Free body

8. Clue

   Body A pushes body B, and body B pushes back just as hard the other way

   Item

   Third law

9. Clue

   The always attractive non-contact force that arises between objects because of mass

   Item

   Gravity

Instructions

Read each call, then tap the term it describes. Three marks in a line wins.

Explanation