離心力

离 = 亠 + 凶 + 禸 : Mnemonic symbol: from 离心机 or 离心分离机, a centrifuge.

离 = 亠 + 凶 + 禸 : Li Qingzhao is about to leave the space station. As a souvenir she put her beret in the space station's centrifuge and got a demon mask out. Angrily she tramples on the demon mask because what she wanted was a nice and modern hat.

心 = 乚 + 丶 : Marie Curie (xi) uses a shovel (乚) to dig a hole in front of the encampment ((e)n1). She wants to bury her heart (心). To the side are three petal leaves (丶), with which she wants to cover it afterwards.

力 = ㇆ + 丿 : Mnemonic symbol: a power button.

Li Qingzhao (li) just had a shower in the space station's bathroom (Ø4) and wants to use the hair dryer, but there's no plug, just the bare end of the cable! She uses all her power to build an electricity plug, and for the two pins she uses a plough (㇆) and a banana (丿). Finally she hits a big power button (力) to turn the power on.