1. a sport fisherman catches a sword fish on his fishing pole. what class lever

Question

1. a sport fisherman catches a sword fish on his fishing pole. what class lever is the fishing pole if the end of the pole is positioned in a fixed fulcrum. will the pole have a mechanical advantage greater or less than 1.00

a worker uses a wheelbarrow to haul 225 lb of brick. the handles are located 4.25 ft. from the axle; the center of the load is 1.25ft fro the axle. How much upward force does the worker exert to lift the handles of the wheelbarrow.

A mechanic lifts the front of a car with a jack. Find the mechanical advantage if a force of 24.0 lb on the jack handle lifts the car that weighs 960 lb

a house jack must lift 125000 lb. the screw pitch is 0.125 in and the screw diameter is 3.00 in find the length of the handle to lift the load when a person applies a force of 75.0 lb to the handle.

Explanation / Answer

greater than 1. because radius of the handle is larger than that of the wheel. F*4.25=225*1.25 so F=66.2(ft) it is 960/24=40

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