Physics, 20.11.2020 21:30, leobaut6145
A forklift applies a force of 2,000 N to raise a box 3m.
1. If the box weighs 1,500 N, how much work does the force of gravity do on the box?
2. Is the work done by gravity positive or negative?
3. What is the total work done on the box?
Answers: 1
Physics, 22.06.2019 02:00, LadyHolmes67
The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s
Answers: 3
Physics, 22.06.2019 07:30, andreaisabela
Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear
Answers: 2
A forklift applies a force of 2,000 N to raise a box 3m.
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