What kind of force is it?
waves
What kind of force is it?
sinking stone
What kind of force is it?
flooding
What kind of force is it?
raining
What kind of force is it?
canoeing
What kind of force is it?
riding a bike
What kind of force is it?
water dripping
What kind of force is it?
waterfall
What kind of force is it?
eating
What kind of force is it?
cutting an apple
What kind of force is it?
balloon floating on water
What kind of force is it?
moving cloud
What kind of force is it?
sunlight
What kind of force is it?
ball rolling down a hill
What kind of force is it?
rubber band
What kind of force is it?
sailing a boat
What kind of force is it?
bowling ball
What kind of force is it?
skateboarding