3) Find the resistance force of a machine with a jack with a mechanical advantage of 15.5 and an input force of 54.5 N. *No units with mechanical
advantage
4)A worker applies an effort force of 68N to open a window with a resistance force of 760N what is the crowbars MA *No units with mechanical advantage. Please show work will give brainliest

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.

In which of the following is positive work done by a person on a suitcase