# Forces in gases and in deep space

1.) How much force is required to inflate a high pressure bicycle tire to 95 pounds per square inch (655 kPa) with a hand pump that has a plunger with an area of 5.0 cm^2?

2.) An object exerts a force of 500. N and sits on an area of 4.5m X 1.5m. Calculate the amount of pressure exerted by the object in torr.

3.) During your travels through deep space you discover a new solar system. You land on the outermost planet and determine that the acceleration due to gravity is 2.7 m/s^2. If your mass back on Earth is 72 kg, what force would you exert on a scale in pounds while standing on the planet's surface?

4.) As you proceed on to the next planet, some of your unbreakable equipment breaks, including that top-of-the-line machine which determines acceleration due to gravity. Calculate the acceleration due to gravity if your 72 kg mass exerts a force of 18 pounds on the planet's surface.

https://brainmass.com/chemistry/stoichiometry/forces-gases-deep-space-102691

#### Solution Preview

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How much force is required to inflate a high pressure bicycle tire to 95 pounds per square inch (655 kPa) with a hand pump that has a plunger with an area of 5.0 cm2?

Pressure is (P) defined as the ratio of the force (F) exerted per unit surface (A).

One pascal is defined as a force of one Newton per meter squared.

In our case:

An object exerts a force of 500. N and sits on an area of 4.5m X ...

#### Solution Summary

The solution answers four question on forces and performs the calculations.