Question

A 10cm long ,2cm wide wooden wedge is pushed into a soft wood block .calculate :a,velocity ratio of the wedge b,the load on the soft wood if the effort applied is 30N

Answer 1

The velocity ratio of the wedge is 0.1

The load on the soft wood is 300 N.

Velocity ratio

The velocity ratio of a machine is the ratio of the distance traveled by effort to distance traveled by load.

V.R = distance traveled by effort/distance traveled by load

• Let 1 cm of the wood's width =  towards right
• then another 1 cm = towards left

V.R = 1 cm/ 10 cm = 1/10 = 0.1

Load on the soft wood

The load on the soft wood is calculated as follows;

$\frac{30}{L} = 0.1\\\\L = \frac{30}{0.1} = 300 \ N$

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