There is no gain in mechanical advantage in a single fixed pulley. Explain why the pulley is then used.

Although there is no gain in mechanical advantage, but due to following reasons, we are using single fixed pulley: To raise a load directly upward is difficult, so applying effort in the downward direction ( even we can use our own weight for the effort), we can move the load upwards conveniently.

the second one and the forth one are in the purple because they are opinions and the rest are in the yellow

explanation:

answer:   you might love summer weather, but you don’t want it to feel like the sun is inside your car. but a hot car that just won’t seem to cool down might be a bigger of a problem than you think. your car relies on being at the right temperature.

explanation: