Which is a force that attracts any two pieces of matter in the universe?
Which is an example of the electromagnetic force?
Yanni made a chart to compare the strong and weak forces. Which best describes Yanni’s error?

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?
Which best contrasts the weak force and the electromagnetic force?
How are the weak and the strong forces alike?
The diagram shows an investigation that Antwoine is conducting.

Lynn rubs a balloon with a piece of wool, which causes the balloon to pick up some of the electric charges from the wool. Lynn then observes that the balloon temporarily sticks to a wall. After several seconds, the balloon falls to the ground.
Sayyid drew a diagram to compare the gravitational and electromagnetic forces.

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