I am a substance that dissolves other substances. What am I?
solvent
I am a mixture of a solvent and a solute. What am I?
solution
We are acting in opposite directions on a stationary object. What are we?
gravitational force and normal force (on the ground)/upthrust (on the water)
We are acting in opposite directions on a moving object. What are we?
Driving force and friction (air resistance, surface, brakes)
Carbon dioxide, water and oxygen are all examples of what kind of substance?
pure substance
I am a point around which opposite moments of force can act. What am I called?
a pivot / fulcrum
I am a turning force acting clockwise or anticlockwise. What am I?
moment of force
Two equal forces are acting in opposite directions. What do we call them?
balanced forces
Chocolate milk, tea and muffins are all examples of what kind of substance?
impure substance/mixture
I am a substance that can dissolve in a liquid. What am I?
solute