Labels:book | door | earth | lemon | sky OCR: COMBINED FORCE F YOU WANT to work out the or subtraction (below left). But when com bined effect of forces on an forces are applied angles, diagram object, you have to consider the forces called parallelogram of forces size and direction. When forces are (below) must be drawn to work out acting 11 straight line, their effect the effect. diagonal line shows the can be worked out by simple addition direction and size ofa com bined force Straight- -line forces small Force 0i 40 N force Combined 90 N Forces are measured newtons (N Boat 60N Forces N and in tow 3 acting opposite directions Force oflarger tug cancel each other out 3N Angular forces A force The com bined force of two tugs minus results pulling boat can he calculated in a combined force drawinga parallelogram of3 N which offorces p ...
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