1.A 0.5 kg wooden block is placed on top of a 1.0 kg wooden block. The coefficient of static friction between the two blocks is 0.35. If a Force of 20.0N is applied to the lower box. The coefficient of kinetic friction for the lower box and the table is 0.10? a. Draw the FBD for each box b. If a Force of 20.ON is applied to the lower box. Will the upper box slip with respect to the lower box? Explain. c. If the box is travelling at constant velocity what is the applied force acting on the lower box? What is the static friction on the lower box? (7) 0.5 kg 1.0 kg table 2. A 3.5 kg steel ball is swung at a constant speed in a vertical circle of radius 1.2 m, on the end of a light, rigid steel rod, as illustrated. If the ball has a frequency of 1.0 Hz, calculate the tension in the rod due to the mass at the top (A) and at the bottom (B) positions. Sketch FBDs. (5) A 1.2 m rod ball motion B3. The system shown below has an acceleration of magnitude 2.00 m/s. 4.00 kg 9.00 kg 140.0 40.09% Assume the coefficients of kinetic friction between block and incline are the same for both inclines. a. Draw the FBD b. Find the coefficients of kinetic friction c. Find the Tension in the string d. What would the coefficient of static friction (minimum) would prevent this system moving in the first place? (7)4. An amusement park ride consists of a rotating circular platform 8.00 m in diameter from which 10.0 kg seats are suspended at the end of 2.50 m massless chains. When the system rotates, the chains make an angle of 6 = 28.0? with the vertical. (a) Draw a FBD of a person in their seat. Both IFOR and NIFOR (3) (b) What is the speed of each seat? (2) (c) Find the tension in the chain when a 40.0 kg child is riding in a seat. (2) 5a. .Why does the earth not get pulled into the sun? Show using a diagram? (2) b.Why does a hanging accelerometer bob (a piece of string with a Styrofoam ball hanging down) get pulled backward when you accelerate forward? Show using a NIFOR diagram (2) c..Choose the best option. A stone is Whirled in a vertical circle on a cord. Halfway up i. the tension is towards the center of the circle and the net force is down. ii. the weight is down and the net force is towards the center of the circle. iii. the tension force is towards the center of the circle and the weight is down. iv. the weight and tension are in the same direction. Draw a diagram to explain why you believe your choice is correct? Explain. (2)