Product Code: LBNY-0006-10100016
Categories: Primary School Science
The friction force is related to the roughness of the contact surface and the magnitude of the pressure, irrespective of the contact area of the friction block. The products are mainly used in exploring a simple machine is composed of a movable pulley and a fixed pulley assembly,to observe the lever balance condition and balance structure,the difference between inquiry balance and spring ergometer.
Mechanical Structure and Combination
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