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a) Three forces F1, F2 and F3 keep a point mass M in equilibrium. If F2 = 100 N, find F1 & F; 20 mass M

a) Three forces F1, F2 and F3 keep a point mass M in equilibrium. If F2 = 100 N, find F1 & F; 20 mass M

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a) Three forces F1, F2 and F; keep a point mass M in equilibrium. If F2 = 100 N, find F1 & F; F2 20° mass M b) Three forces F1 = 5 i- 8.66 j N, F2 = 3 jN and F; are acting on an 8 kg body in free space. Find F3 in unit vector notation if the body is to maintain a constant acceleration of 1.2 m/s? in the - j direction. c) Two ships, A and B, leave port at the same time. Ship A travels at 25 mph west and ship B travels south at 28 mph with both speeds relative to still water. Find VAB, the velocity of ship A relative to B in unit vector notation. N L., -e d) Convert z= 30 (km) / (hr)2 to S.I. units.
Transcribed Image Text:a) Three forces F1, F2 and F; keep a point mass M in equilibrium. If F2 = 100 N, find F1 & F; F2 20° mass M b) Three forces F1 = 5 i- 8.66 j N, F2 = 3 jN and F; are acting on an 8 kg body in free space. Find F3 in unit vector notation if the body is to maintain a constant acceleration of 1.2 m/s? in the - j direction. c) Two ships, A and B, leave port at the same time. Ship A travels at 25 mph west and ship B travels south at 28 mph with both speeds relative to still water. Find VAB, the velocity of ship A relative to B in unit vector notation. N L., -e d) Convert z= 30 (km) / (hr)2 to S.I. units.
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