Physics, 30.12.2019 22:31 makaylahunt
A2.00 meter long horizontal plank whose mass is 3.00 kg is placed so that the very end (the right end) rests on a retaining wall. the left end is put on the tailgate of the truck.
however the tailgate is tilted a bit, so it only contacts the board at a point 25.0 cm from the end. a 2.50 kg sledge hammer is placed 0.500 meters from the retaining wall.
a)find the force acting on the board by the tailgate.
b)find the force acting on the board by the retaining wall.
Answers: 2
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You are your friend move a new refrigerator into his kitchen. you apply a horizontal force of 252 n in the negative x direction to try and move the 56 kg refrigerator. the coefficient of static friction is 0.61. (a) how much static frictional force does the floor exert on the refrigerator? give both magnitude (in n) and direction. magnitude n direction (b) what maximum force (in n) do you need to apply before the refrigerator starts to move?
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A2.00 meter long horizontal plank whose mass is 3.00 kg is placed so that the very end (the right en...
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