Which of the following is a first order lever
AWheel barrow
BBottle opener
CWeighing machine
DTongs
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The section modulus of a rectangular section is proportional to
A universal coupling is used to connect two shafts
With worn gear the possible speed reduction
If a deformable structure in equilibrium under the action of a system of loads is given a small virtual deformation, then the virtual work done by the external forces is equal to the virtual work done by the internal forces. This principle is known as:
The length of a line measured with anerroneous chain .... where D and D' are true and erroneous distance and L and L' are true and erroneous length of the chain