4 Questions
Which one of these is an example of a contact force?
A car accelerating forwards
What is the product of the reaction between metal and water?
Metal hydroxide + Hydrogen gas
What is the difference between mass and weight?
Mass is the amount of matter in an object, while weight is the force exerted on an object due to gravity
What is the ionic formula for sodium hydroxide?
NaOH
Study Notes
Contact Forces
- Friction is an example of a contact force.
Chemical Reactions
- The product of the reaction between metal and water is hydrogen gas.
Mass and Weight
- Mass is a measure of the amount of matter in an object, while weight is the force exerted on an object by gravity.
- The units of mass are typically grams (g) or kilograms (kg), whereas the units of weight are typically newtons (N).
Ionic Compounds
- The ionic formula for sodium hydroxide is NaOH.
Test your knowledge on contact forces and word equations in this quiz. Learn about what a contact force is and explore examples of contact forces. Challenge yourself to complete word equations involving metal, water, and hydrogen gas. See if you can correctly identify the support force and thrust force.
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