Types of Forces
Which force pulls objects toward Earth?
Gravity
A push or pull is called a _____________.
force
These forces are equal and do not move an object.
balanced forces
Forces can make objects start or _________.
stop
This tool uses electricity and magnets together. What am I?
electromagnet
Which force happens when you rub a balloon and it sticks?
Static Electricity
Opening a door, is an example of this type of force?
Pull/push
These forces cause an object to move.
unbalanced forces
Why do bigger objects need more force?
They have more mass/heavier
Wrapping wire around this object helps make an electromagnet...
nail
What does gravity do to a dropped object?
pulls it down
Kicking a ball is an example of this?
Push
If two teams pull a rope equally, the forces are this:
balanced forces
Forces can change an object's direction or this?
speed
Electricity must flow through this to make an electromagnet work?
wire
This force happens when charged particles move through wires.
electricity
Forces can change an objects motion/movements or _____________.
Direction
if one team pulls harder in tug-of-war, the forces are this?
unbalanced forces
What is friction?
A force that slows things down
Adding more coils of wire will do this to the electromagnet?
make it stronger
Name one force that can act (happen) without touching an object?
Gravity, magnetism, electricity
Two magnets that are BOTH turned to each other on the N side. Will they attract or repel?
repel
This is the total force acting on an object
Net force
An object at rest will stay at rest unless a _______ is applied.
force
This part provides the energy for an electromagnet to work.
battery