A hammer of mass $$1$$ kg strikes on the head of a nail with a velocity of $$2$$ ms–$$1$$. It drives the nail $$0.01$$ m into a wooden block. Find the force applied by the hammer and the time of impact.

Question

Infinity Learn · Accepted Answer

a $$=$$ Retardation of the nail For the nail, $$0$$ $$=$$ $$u2$$ $$-$$ $$2as$$  F $$=$$ Force applied by the hammer on the nail $$=$$ Average resistance force applied by wood on the $$nail=$$ ma $$=$$ $$1$$ x $$200N$$ $$=$$ $$200NNow$$, v $$=$$ Final velocity of the hammer $$=$$ $$0$$, u $$=$$ Initial velocity of the hammer $$=$$ $$2m/sV$$ $$=$$ u $$-$$ at ⇒ $$0$$ $$=$$ $$2$$ $$-$$ $$200$$.t ⇒ t $$=$$ $$10-2s$$.

A hammer of mass 1 kg strikes on the head of a nail with a velocity of 2 ms^–1. It drives the nail 0.01 m into a wooden block. Find the force applied by the hammer and the time of impact.

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A hammer of mass 1 kg strikes on the head of a nail with a velocity of 2 ms–1. It drives the nail 0.01 m into a wooden block. Find the force applied by the hammer and the time of impact.

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A hammer of mass 1 kg strikes on the head of a nail with a velocity of 2 ms^–1. It drives the nail 0.01 m into a wooden block. Find the force applied by the hammer and the time of impact.