Name: ID: A 5. A girl swings a 0.500 kg teddy bear at the end of 30.0 cm chain in a vertical loop with a constant period of 1.00 s. Calculate the force that the chain applies to the bear at the bottom of the loop. [6 marks] 6. A 2100 kg car enters a horizontal curve whose radius is 75 m. If the coefficient of friction between the road and car is 0.24, calculate the maximum speed at which the car can go without skidding. [6 marks]