Forces Flashcards
Which force pulls you to the floor?
Weight
Which force pushes you up in a fluid?
Upthrust
Which force acts on moving objects by heating them up or by resisting movement?
Friction
Which force applies in the air and resists movement?
Air resistance
What is a force?
A push/pull
Which force acts on objects by trying to keep them in their original form?
Tension
What are resistive forces?
Any forces that act to slow down a moving object
What are balanced forces?
Forces acting on an object that are the same size but in different directions
What is a reaction force?
The supportive force provided by a solid surface like a floor
What is streamline?
A shape that reduces resistance from water or air
What force resists movement in water?
Water resistance
What is a non-contact force?
A force that is magnetic, electrostatic, or gravitational and acts between objects not in contact
What is compression?
Squashing something into a smaller space
What is a lubricant?
A substance that reduces friction between surfaces when they rub together
What are unbalanced forces?
Opposing forces that are different sizes