Which of the following is a first order lever
AWheel barrow
BBottle opener
CWeighing machine
DTongs
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Ozone layer depletion is caused by
A hydraulic structure constructed to dispose off surplus flood water from reservoir
The separation of coarse aggregate from the rest of the concrete mix is called
Generally found thread in the pipe and pipe fittings
Wastewater from different sources like bathrooms, kitchens and washbasins is called .......................