Forces
(general)
(general)
_____ is a push or pull on an object.
What is force.
True or False: Gravity is a NON-CONTACT force.
What is True.
Humans use this non contact force to operate a compass and know which direction North is.
What is magnetic.
What has more friction, sliding across a frozen pond or sliding across the carpet in your bedroom?
What is the carpet has more friction?
What is muscular force?
Kicking a soccer ball is an example of a push or pull force?
What is Push?
___________ is the measurement of the force of gravity pulling us down.
What is weight.
This type of non-contact force is why hair is attracted to balloons after rubbing together.
What is electrostatic force?
What type of friction do the bottom of the legs of a table have?
What is static friction?
Name 3 types of forces that occuring when you jump on a trampoline.
What is spring force, muscular force and gravitational force?
Give 2 examples of a pull force?
Answers vary
Do you weigh more on the moon or Earth? Why?
On the Earth because there is more gravity pushing down on you.
Magnets have a North pole and a South Pole. If two magnets are repelling away from each other, what could be their orientation?
What is N-N or S-S.
When you ride a bike, what type of friction do the wheels have against the ground?
What is rolling friction?
What type of force is exerted when an object is squeezed or compressed?
What is spring force?
A tug of war is an example of what type of force?
What is both a push and a pull force?
In a room with no air (vacuum), which will fall fastest if dropped from the same height: bowling ball or feather?
What is both at the same time.
These 3 metals are magnetic.
What are iron, nickel and cobalt?
The two types of frictional force that slow the movement of two surfaces against one another are called?
What is sliding and rolling friction?
Something invisible that causes friction on a daily basis.
What is air.
An ____________ force acts on objects from the outside.
What is an External force?
This works with gravity to slow the fall of objects.
What is air resistance?
Does a neutral object have more positively or more negatively charged particles?
What is it has the same number of both?
What type of energy does friction usually generate?
What is heat energy?
True or False: Friction prevents the magnetic eraser from sliding off of the board.
What is False