(in J) A block of mass 2.20 kg is pushed 2.00 m along a frictionless horizontal
ID: 1875066 • Letter: #
Question
(in J) A block of mass 2.20 kg is pushed 2.00 m along a frictionless horizontal table by a constant 19.3 N force directed 22.9° below the horizontal. Determine the work done by the applied force 3.56x 101 3:5. 16 x 101 -C-7.48x101 d: 1.08x102|E: 1021-F 102 G: 3.30×102 H: 4.79x102 1.57 2.28 Submit Answer Tries 0/3 Determine the magnitude of the normal force exerted by the table. (in N) A: 6.10B: 7.62C: 9.53D: 11.91E: 14.88F: 18.60 G: 23.26 H: 29.07 Submit Answer Tries 0/3 Determine the magnitude of the force of gravity (in N) A: 13.80 B: 17.25OC: 21.56 D: 26.95 E: 33.69F: 42.11G: 52.64 H: 65.80 Submit Answer Tries 0/3 Determine the net force on the block. (in N) A: 8.54 B: 9.65C: 1.09x101D 1.23x101OE: 1.39x10F: 1.57x101 G: 1.78x101OH: 2.01x101 Submit Answer Tries 0/3Explanation / Answer
1)A) 3.56*10^1 J
Workdone = F*s*cos(theta)
= 19.3*2*cos(22.9)
= 35.6 J
2) H) 29.07 N
N = m*g + F*sin(theta)
= 2.2*9.8 + 19.3*sin(22.9)
= 29.1
3) C)21.56 N
Fg = m*g
= 2.2*9.8
21.56 N
4) G) 1.78*10^1 J
Fnet = F*cos(theta)
= 19.3*cos(22.9)
= 17.8 J
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