v. to be in a steady position without falling to one side or the other
balance
n. the force that keeps something in the same state of motion
inertia
adv. in the direction in front of you
forward
adv. in the direction behind you
backward
n. the force that makes movement difficult when two things rub against each other
friction
v. to press one thing against another and move them backwards and forwards
rub
n. the force that makes things fall toward the earth
gravity
n. a force that tends to pull a particle or body toward the axis around which it rotates
centripetal force
v. to use force to move something toward yourself
pull
adj. not heavy
light
n. a seat hung from ropes or chains on which one sits and moves back and forth for pleasure
swing
v. to become joined or linked
connect
v. to use force to move something ahead
push
v. to fall to the ground
fall over
v. to turn around in circles
spin
prep. moving or facing in the direction of
toward
adj. having a sharp slope
steep
v. to move yourself or something in a direction
lean
n. power, energy, or physical strength
force
n. the way that something or someone is going
direction