4 A \(\boldsymbol { p }\) rticle of mass \(\emptyset \mathrm { g }\) is \(\mathbf { n }\) a rg p an in lin d at an an \(\mathrm { e } \boldsymbol { 6 } \mathbf { B } ^ { \circ }\) to th \(\mathbf { b }\) izn tal. A fo ce \(\boldsymbol { 6 }\) mag te \(\quad\) z N, actig at an ag e 6 O \(^ { \circ }\) ab a lin 6 g eatest sle 6 th p aB , is s ed to p e n th \(\mathbf { P }\) rticle frm slid g n th p as. Th co fficient