What is the mechanical advantage of a machine that uses an input force of 20 newtons to achieve an output force of 60 newtons

Which of the following is an example of Newton's third law of motion? an object accelerating toward earth a bouncing ball a floating balloon a satellite orbiting a planet

Terry says that if an object has no acceleration, then no forces are exerted on it. Sherry doesn't agree, but can't provide an explanation. They both look at you. What do you say?

The correct order of the planets is: Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune True False

The extraction of oil from oil shales can be detrimental to the environment mainly because this process requires large amounts of A.) Land B.) Water C.) Explosives D.) Heavy equipment

Im so hopeless no one can answer my homework question and its due tommorow : ( How much pressure is exerted when air is being compressed?

What is Nothing. (sorry i have been wondering this for a very long time)

What is the weight of a 15kg dog on earth?

Identify the scenario below as to whether they increase, decrease, or not change the frequency in which a string vibrates and thus change its pitch. Assume that no other changes are happening. 1. Tightening a string for greater tension 2.

Explain what each of the following scientists contribute to the atomic theory

A fully charged parallel-plate capacitor remains connected to a battery while a dielectric is slid between the plates. Do the following quantities increase, decrease, or stay the same? Select one or more: a. delta V increases b.