Electromagnetic Forces

direction

command

force

magnet

apply a force in the direction opposite to the way the object is moving.

apply a force in the same direction the object is moving.

apply no force.

calculate the amount of force required to stop an object in motion.

increases the friction so the puck can be directed more efficiently

increases the friction to give the puck an additional push

lowers the friction between the mallet and the puck

lowers the friction between the table and the puck

The wall is sturdy

The wall pushed back with a force of 500 N

The wall pushed back with a force of 650 N

The wall pushed back with a force of 350 N

add together

subtract from each other

...moves to the left

...moves to the right

...does not move

...jumps in the air

like poles attract

opposite poles repel

nothing happens

opposite poles attract

yes

no

Always

Never

Only if the nail is touching a temporary magnet

greater

weaker