Physics Quiz Grade 10

Write your full name: Aqua is a NASA scientific satellite in orbit around the Earth studying the precipitation, evaporation and cycling of water.The weight of Aqua on the surface of Earth is 29,310 N.The gravitational acceleration g at the surface of Earth is _: 0.977 m 9.77 m 6.25 x 107 m 8.76 m 2 The system is held without motion due to an oblique traction force exerted on mass (M 2) then _: Only mass M 2 is pseudo isolated Only mass M1 is pseudo isolated Both masses M 2 and M 1 are pseudo isolated None of the above A worker launches blocks of different masses along a ramp of rough surface and inclined by an angle α = 45° with the horizontal.Determine the expression of the magnitude of the frictional force acting by the ramp on the moving block as a function of a, g, α and m; where m is the mass of the block and a is its acceleration