Which is a force that attracts any two pieces of matter in the universe?
Which best completes the statement?The electromagnetic force ________ than the gravitational force.
The diagram shows the protons and neutrons in an atom.

Ellen does an experiment by releasing a ball from a height of 1 m above each floor in a tall building. She records the time it takes the ball to reach the floor.
Which shows the correct order of forces, from weakest to strongest?
Which best describes the electromagnetic force?
Which is an example of the gravitational force?
How are the weak and the strong forces alike?
The diagram shows an investigation that Antwoine is conducting.

Sayyid drew a diagram to compare the gravitational and electromagnetic forces.

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