Aman uses a lever jack to lift a 2.00 x 10^3 kg car to change a tire. each stroke of the jack lifts the car a distance of 5.00 x 10^-3 m. the vertical displacement of the handle is 0.75 m for each stroke. how much total force does he use with each stroke of the jack?

a) 19,600 n
b) 3.0 x 10^5 n
c) 131 n
d) 2.9 x 10^6 n

Convert weight to Newtons:

2 * 10^3 * 9.81 = 19.62*10^3 N

Find the mechanical advantage of the handle :

.75/.005  = 150

Now divide the weight in Newtons, by the mechanical advantage:

(19.62/150)* 10^3 = 130.8 N

Round to 131 N

The answer is C.

i think it's 35 meters

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.