Physics, 09.12.2021 18:30 leneenmarshall3125
Form 21 (21-22) / 30 of 30
A screwdriver can be used as a lever to pry open lids. A screwdriver is used to open a paint lid. If an effort force of 50 N is
applied to the screwdriver, and the mechanical advantage of using that screwdriver is 10, what is the resulting resistance
force on the lid?
A 500 N
B 5N
C. 40 N
D. 0.2 N
Answers: 3
Physics, 22.06.2019 10:00
Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?
Answers: 1
Physics, 22.06.2019 10:10
Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.
Answers: 2
Physics, 22.06.2019 15:00
For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat
Answers: 1
Form 21 (21-22) / 30 of 30
A screwdriver can be used as a lever to pry open lids. A screwdriver is...
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