1) State the unit for density a) m b) m/s/s c) N d) J 2) Value for gravity on earth 🌎 a) 1.6N/kg b) 9.8N/kg c) 10N/kg d) 30N/kg 3) is a third class lever a) b) c) d) 4) Is a purpose of a fuse a) current  b) Current c) Force d) Speed 5) Difference between measured and true value a) Error b) Mistake c) Uncertainty d) Blunder 6) Adjuscent to the angle a) Sine b) Tangent  c) Cosine d) Cotangent 7) Resolving a vector a) Adding vectors b) Multiplying vectors c) Splitting vectors into components d) Finding vector resultant 8) What is free fall? a) Ignoring gravity b) Ignoring air resistance c) Falling freely d) Ignoring weight 9) A prefix pico a) 10^-9 b) 10^-6 c) 10^-3 d) 10^-12 10) A car moves with constant velocity of 20m/s in 5s. What was it's acceleration? a) 4m/s2 b) 5m/s2 c) 20m/s2 d) 0m/s2 11) mechanical advantage is a) effort ÷ load b) effort x load c) load ÷ effort d) load- effort 12) velocity ratio of a pulley system equals a) number of upward tensions b) longest distance ÷ short distance c) x/y d) length of rope 13) unit for mechanical advantage a) newtons b) watts c) no units d) meters 14) total resistance when two 4 ohm resistors are connected in parallel a) 16ohms b) 8 ohms c) 4 ohms d) 2 ohms 15) static electricity is the study of a) charges b) stationary charges c) mobile charges d) all charges 16) when both genes are equally expressed in an organism a) incomplete dominance b) dominance c) co-dominance d) random assortment 17) Is not important for load shedding a) sharing of energy b) protect electric infrastructure c) maintain business for all d) save money 18) the ultimate source of energy in an ecosystem of  a) sun b) plants c) animals d) water 19) is a primary consumer a) b)   c) d) 20) symbol for fuse a) b) c) d)

Mamoce SSDA1 year 2025

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