Understanding Forces

What is a force by definition?

• A change in temperature

• A type of energy

• An interaction between two entities

• A single entity causing movement

What happens when a ball bounces on the ground?

• It only causes movement

• It exerts forces and experiences forces

• It remains unchanged

• It only changes shape

Which of the following is an example of a pushing force?

• A car accelerating

• Laying your head on a pillow

• A magnet attracting a paper clip

• The wind blowing leaves

How does a magnet exert a force on a paper clip?

• By being close enough to it

• By touching it directly

• By increasing its temperature

• By changing its shape

What are the two general types of forces described in the video?

• Thermal and chemical

• Gravitational and frictional

• Pushing and pulling

• Magnetic and electric