Which type of force is a non-contact force? (A. Applied Force B. Friction C. Magnetic Force)

Arun have horseshoe and bar magnets. They did an investigation to find out which magnet was strongest. They used a plastic ruler and a metal paper clip. Identify the controlled variable.

Which force pulls objects toward the Earth?

A magnet can attract all types of metals. (True or False)

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You drop a ball from a tall building. Why does the ball fall downward instead of floating?

Which force slows down a moving object?

The normal force always acts in the same direction as gravity. (True or False)

The force that makes a magnet attract iron objects and repels same poles called __

When two forces are balanced, an object will stay still or continue moving at the same speed.(True or False)

What force helps an airplane stay in the air?

How did Sir Isaac Newton discover gravity?