In Part 1 of the procedure, if the magnitude of F_1 were increased slightly, the

Question

In Part 1 of the procedure, if the magnitude of F_1 were increased slightly, the magnitude of the equilibrant would ______. increase decrease remain constant In Part 2 of the procedure, if the magnitude of F_1 were increased slightly, the magnitude of the equilibrant would ________. increase decrease remain constant Which of the following sets of forces (perhaps more than one) could not have a resultant of zero if you were free to orient them any way you desired? (20 N, 40 N, 50 N) (4 N, 10 N, 16 N, 40 N) (2 N, 4 N, 6 N, 8 N, 10 N) (100 lb, 100 lb, 101 lb) (5 N, 10 N, 30 N, 50 N) (20 lb, 20 lb, 20 lb) Which of the following pairs of displacements (perhaps more than one) could not result in a net displacement of 3 m if their relative directions could be fixed at will? (1 m, 2 m) (1 m, 3 m) (6 m, 10 m) (5 m, 10 m) (99 m, 101 m)

Explanation / Answer

part 4 )

c and d

R =sqrt(x^2+y^2+2xycostheta)

3 = sqrt(36+100 + 120costheta)

9 = 136 + 120 costheta

costheta = -125/120

which is not possible

in D part

3 = sqrt(25+100 + 100costheta)

9 = 125 + 100 costheta

costheta = -116/100

this is also not possible

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