Forces and Speed Topic Revision Flashcards
What is a force?
A force is a push or pull.
What is the name for a unit of force?
Newton
What is air resistance?
Air resistance is a force that act on objects moving through air by resisting movement.
What is upthrust?
Upthrust is a push force that pushes an object up while it is inside water.
What is equilibrillium?
Balanced forces.
What is compress?
To squash into a smaller space.
What is a contact force?
It is a force that acts when an object is in contact with a surface, water or air.
What does deform mean?
To change shape.
What does drag force mean
The force acting on an object moving through air or water that causes it to slow down.
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 is the calculation for speed?
Distance/Time
What is a non-contact force?
A force that is magnetic, electrostatic, or gravitational and acts between objects not in contact.
What is resultant force?
The overall amount of force acting on an object.
What is Hooke’s law?
The law that says that if you double the force on an object the extension will double.
