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  3. 1.) a hiker, who weighs 860 n, is strolling throug

1.) A hiker, who weighs 860 N, is strolling through the woods and crosses a small...

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Physics

1.) A hiker, who weighs 860 N, is strolling through the woodsand crosses a small horizontal bridge. The bridge is uniform,weighs 3220 N, and rests on two concrete supports, one on each end.He stops 1/4 of the way along the bridge. What is the magnitude ofthe force that a concrete support exerts on the bridge(a) at the near end and (b) atthe far end?

2.) A jet transport has a weight of 1.09 x 106 N and is at reston the runway. The two rear wheels are 17.0 m behind the frontwheel, and the plane's center of gravity is 11.2 m behind the frontwheel. Determine the normal force exerted by the ground on (a) thefront wheel and on (b) each of the two rear wheels.

3.) A clay vase on a potter's wheel experiences an angularacceleration of 8.38 rad/s2 due to the application of a18.5-N m net torque. Find the total moment of inertia of the vaseand potter's wheel.

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