Need answers asap!
1. holding the lever at which position will result in the greatest ima?
2. in the following lever system, what is the clockwise torque?
a) 6nm
b) 300nm
c) 1,200nm
d) 1,800nm
3. in the same lever system ( what is the counter-clockwise torque?
a) 6nm
b) 300nm
c) 1,200nm
d) 1,800nm
4. the ima of the following pulley system is
a) 3
b) 4
c) 5
d) 6
e) 7

Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.

Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.

Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points