Question

How much work is done when a 45 newton force moves a block 20 m?

Answer 1

Work = 900 J

Step-by-step explanation:

Given:

Force acting on the block (F) = 45 N

Displacement of the block (d) = 20 m

Work is said to be done on a block when a force acting on it causes a displacement in its own direction.

Here, the force acting on the block is causing a displacement of 20 m in the direction of th application of the force. So, the work don is equal to the product of force and displacement.

Thus, the work done on the block is given as:

`W=F* d`

Plug in the given values and solve for 'W'. This gives,

`W=(45\ N)* (20\ m)\\\\W=900\ J`

Therefore, the work done on a block when a force of 45 N moves it by 20 m is 900 J.