Friction & Gravity

Front

What is the force that two surfaces exert on each other when they rub against each other?

Back

Friction

Front

What remains constant for an astronaut traveling to Mars, but their weight changes due to gravity?

Back

Mass

Front

How does the force of gravity change as the distance between objects decreases?

Back

It becomes stronger.

Front

What type of friction does a skydiver experience when they release their parachute?

Back

Fluid friction

Front

What is the attractive force between objects called?

Back

Gravity

Front

What is the relationship between mass and weight?

Back

Weight is the force of gravity acting on mass.

Front

What type of friction occurs when an object rolls over a surface?

Back

Rolling friction

Front

What is the effect of surface roughness on friction?

Back

Rougher surfaces generally increase friction.

Front

What happens to the force of gravity as the mass of an object increases?

Back

The force of gravity increases.

Front

What is static friction?

Back

The friction that prevents an object from starting to move.