A lever has efficiency 60% and mechanical advantage 4, the (i) Calculate effort required to lift 1000 N load. [250 N)
(ii) Calculate velocity ratio of the lever. [VR = 6.66]
(ii) Find out output work to turn load up to 20 m. [20,000 Nm]

the answer is; comparing the frequency of collisions with and without the device

this makes the anti-collision system an independent variable and the collisions a dependent variable. if there are fewer collisions with an anti-collision system that without, then it can be stated that the system is a success. essentially, collisions under an anti-collision system are compared with the frequency of collisions by cars with the human drivers.

carbon atoms, hydrogen, oxygen, and nitrogen.