If two objects are moved farther apart, the force of gravity between them will

1. decrease

2. increase

3. not change

4. cease to exist

A periodic wave is produced by a vibrating tuning fork. The amplitude of the wave would be greater if the tuning fork were (1) struck more softly (2) struck harder (3) replaced by a lower frequency tuning fork (4) replaced by a higher frequency

Thomas edison. what is the invention behind him?

If you weigh 100 kilograms on Earth, would your mass be 100 kilograms too (on Earth) ?

Is jump rope a sport.

Which of the following could negatively affect the reliability of an experiment? A. testing only one variable at a time B. having variables that are difficult or even impossible to control C.

1 A plane moving at 30m/s drops a load 200m down to the ground. How long did it take to hit the ground.

Can a body be in equilibrium if it is in motion? Explain

What is the average speed in kilometers per second of the earth around the sun?

Why does a dog circle its bed before lying down

5. Which answer correctly summarizes the essential elements of a scientific theory?. A. descriptions of the natural world; based on many observations and data; do not explain why. B.