The masses of $$10$$ kg and $$20kg$$ respectively are connected by a massless spring as shown in figure. A force of $$200$$ N acts on the $$20kg$$ mass. At the instant shown, the $$10$$ kg mass has acceleration $$12$$ $$m/s2$$. What is the acceleration of $$20$$ kg mass?

Question

Infinity Learn · Accepted Answer

As the mass of $$10$$ kg has acceleration $$1$$ $$2m/s2$$ therefore it apply $$120$$ N force on mass $$20$$ kg in a backward direction.∴ Net forward force on $$20$$ kg mass $$-$$ $$200$$ $$-$$ $$120=$$ $$80$$ N Acceleration of $$20kg$$ of mass $$=8020=4m/s2$$

The masses of 10 kg and 20kg respectively are connected by a massless spring as shown in figure. A force of 200 N acts on the 20kg mass. At the instant shown, the 10 kg mass has acceleration 12 m/s². What is the acceleration of 20 kg mass?

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The masses of 10 kg and 20kg respectively are connected by a massless spring as shown in figure. A force of 200 N acts on the 20kg mass. At the instant shown, the 10 kg mass has acceleration 12 m/s2. What is the acceleration of 20 kg mass?

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The masses of 10 kg and 20kg respectively are connected by a massless spring as shown in figure. A force of 200 N acts on the 20kg mass. At the instant shown, the 10 kg mass has acceleration 12 m/s². What is the acceleration of 20 kg mass?