Related Questions

A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is
A rope 2-.6 meters long cut is into two pieces .If the length of one piece of rope is 2.8 meters shorter than the length of the other , what is the length , in meters, of the longer piece of rope?
m এবং 2m ভরের দুটি আয়তাকার বাক্স একটি ঘর্ষণহীন অনুভূমিক পৃষ্ঠে একটি দড়ি দ্বারা সংযুক্ত। F মাত্রার একটি সম্মুখ বল দ্বারা ভারী বাক্সটিকে ডানদিকে টানা হচ্ছে। ফলে, হালকা বাক্সটি দড়ি দ্বারা টান অনুভব করে। দড়িটিতে টান কত? (Two rectangular boxes of masses m and 2m are on a frictionless horizontal surface and connected by a rope. A forward force of magnitude F is pulling the more massive box toward right. As a result, the less massive box is pulled by the rope. What is the tension in the rope?)
In a weight-lifting competition, the total weight of Joe's two lifts was 750 pounds. Twice the weight of his first lift was 300 pounds more than the weight of his second lift. What was the weight, in pounds, of his first lift?
In a weight -lifting competion, the total weight of Jabir's two lifts was 750 pounds. Twice the weight of this lift was 300 pounds more than the weight of his secnd lift. What was the weight , in pounds, of his first lift?
If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is moving downwards, the acceleration of the lift, is
A rope cut into 3 pieces with each piece twice as long as the previous one. If the length of longest piece is 3 meter ,What was the length of the rope in meter ?
A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a
A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the train is 54 km/hr, what is the length of the platform?
A train passes a platform in 40 sec and a woman standing on the platform in 30 sec. If the speed of the train is 108 km/hr, what is the length of the platform?