Gravity and friction

Gravity affects all objects on Earth.

• True

• False

Tags

NGSS.5-PS2-1

Friction can work against motion.

• True

• False

A rubber-soled sneaker on a concrete surface has more friction than a skate on an icy surface.

• True

• False

If two identical objects are moving at the same speed, the object with more friction with the ground will travel farther.

• True

• False

Tags

NGSS.MS-PS2-2

When a ball is thrown into the air, gravity pulls it back toward the ground.

• True

• False

Tags

NGSS.5-PS2-1

NGSS.3-PS2-1

The reason the toy car runs slower on the carpeted floor than the wooden floor is because of _____.

• Motion

• Friction

• Gravity

Which force slowed the golf ball as it rolled?

• gravity

• friction

• force from the golf club

Tags

NGSS.MS-PS3-5

Grass, concrete and sand cover different parts of a hill shown below. Why does the ball roll at different speeds over grass, concrete and sand?

 

 

• The force of gravity is different on each surface.

• Friction is different on each surface.

• Each surface has a different width.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

Which force slows a basketball as it rolls over a flat surface?

• gravity

• friction

• inertia

Tags

NGSS.MS-PS3-5

If a ball is rolling on the ground, describe how gravity and friction are affecting the motion of the ball.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4