emileewhitaker1373
07.11.2020 •
Physics
JUNE TOB SSCE PHYSICS 2 THE (a) Explain with the aid of a diagram what is meant by the moment of a torce about a point. (b) State the conditions of equilibrium for a number of coplanar par- alielforces. A metre rule is found to balance at the 48cm mark. When a body of mass 60g is suspended at the Bom mark, the balance point is found to be at the 30cm matk Calculate the mass of the metre Tule () the distance of the balance point from the zero end, I the body was moved to the 13cm mark. (c) Show that the efficiency E. the force ratio MA. and the velocity ratio VR of a machine are related by the equation MA * 100% VA
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Ответ:
u khakis
Explanation: