FBDS, Ramps, and Tension Competency Re-Assessment Q.1 You have a wooden block of mass 4.0 kg accelerating down the ramp with a 0.6 m/s2 The angle of the ramp to the horizontal is 0 (= 35 degrees). Do the following: (a) using a ruler and the paralle logram rule, complete the FBD below showing the relevant angles, forces, and their components. (b) Find the frictional coefficient (kinetic) between the block and ramp. Take g 10. N/kg. 9 How ST (ed.Omolo seoftbups t dwt tse T bs208 (d) NSViii/2 Y brD-X ST ni A5

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”