In figure 11 below a block with mass equal to 3 kg is resting on an inclined surface with a slope of 30 and a height of 4m. 1. Calculate the minimum force (F) required to keep the block in place Knowing that us for the surface equals 0.4. 2. If the block started moving with initial speed of 2 m/s, at what speed will it reach the end of the ramp, neglect loss. 3. Calculate loss if the mass started moving with a speed of 1 m/s and its final speed was 6m/s. 30 Figure 11 3kg 4 m