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如图所示为简化版液压千斤顶,假设 T=294N,大小活塞的面积分别为A 2 =5×10 -3 m 2 ,A 1 =1×10 -3 m 2 ,忽略损失,试解答下列各题: (1)通过杠杆机构作用在小活塞上的力F 1 为多少? (2)此时系统压力p为多大? (3)右侧大活塞能能顶起重物的重量G为多大? (4) 大小活塞运动速度哪个快?快多少倍? (5)设需顶起的重物G=19600N时,系统压力p又为多少?作用在小活塞上的力F 1 应为多少?
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAA5ElEQVRYR2NkGGDAOMD2M+B0wKpVq9huv/jbxPD/fxwDA4MkhQ59zsDIuEhVgrkuLCzsF7JZOB3QOml5B8P//+UUWoyqnZGxszovsoI4B0xc9gyfzxmZmb2rcsK3IRvWMWm599///7fgcfTz6vwoKWId8B+f75kZGX0q8iK3kugAhur8KJRQxx0FE5fhdQC5UTPqgNEQGA2B0RAYDYHREBgNgaETAuTW96TqG7yt4tbRFhGRIQBqHTP9+8dIoDUMTxqk5AK8zXKYiaDWMYhNpANIaJYPdMdkwLtmpOZnctUPeDkAAP6tmiH1ggTLAAAAAElFTkSuQmCC)
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