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lovat espiol srbi OPEN RESPONSE QUESTIONS The Q1. Forces: A contestant in a winter sporting event pulls a 20 kg block of ice across a

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lovat espiol srbi OPEN RESPONSE QUESTIONS The Q1. Forces: A contestant in a winter sporting event pulls a 20 kg block of ice across a frozen lake as shown below. The tension force T = 10 N along the direction indicated in the picture. Assume the friction between the ice cube and the surface to be negligible. (20 points) to sbiningen off'T 250 alluq saied ai god And this i . Draw a free body diagram for the ice block. obj ii. What are the components of T acting in x direction and y direction? iii. Considering the net force in the x-direction, find the acceleration of the block. iv . Considering the net force in the y-direction, find the normal force acting on the block. Q2. Forces and Friction: The sled push is a functional full-body exercise that targets many muscle groups. You thought of trying a sled push with 200 kg on a horizontal surface. The co-efficient of static friction between the sled and the gym floor is us = 0.8 and the co-efficient of kinetic friction is MK = 0.6. (20 points) chiw sno AT and diod y 1 . Draw a Freebody diagram for the sled. ii. What is the minimum force necessary to make the sled move? iii. If you apply a force of 1250 N will the sled move. What is the value of the static friction acting at this point? iv . If you apply a force of 1800 N find the acceleration of the sled (remember now the sled is moving)

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