Question

2 joules of work is done in displacing a stone through 0.5 m. Find the force applied on the stone.

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Answer 1

$\large{\underline{\underline{\boxed{\sf{\pink{ Given:}}}}}}$

$\purple{ \longrightarrow} \: W = 2j$

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$\purple{ \longrightarrow \: }Displacement, s = 0.5 m$

$\large{\underline{\underline{\boxed{\sf{\pink{To \: Find:}}}}}}$

• the force applied on the stone.

$\large{\underline{\underline{\boxed{\sf{\purple{⚘Solution:}}}}}}$

$=> \: W = F×s$

$\space$

$=> \: 2j = F × 0.5m$

$\space$

$\bf{\therefore \red{ \: F }\: = \: \blue{\frac{2}{0.5 }} \: = \green{4N}}$

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