Speed, Motion, and Force

If a person walks 40 meters in 10 seconds how fast are they walking?

• 400 m/s

• 4 mph

• 4 m/s

• 50 m/s

A measure of how fast something moves or the distance it moves, in a given amount of time.

• Motion

• Position

• Acceleration

• Speed

A force that moves an object away from another object.

• Gravity

• Push

• Pull

• Motion

Speed in a specific direction

• Velocity

• Motion

• Speed

• Acceleration

Push or a pull

• Force

• Gravity

• Speed

• Motion

Force that moves an object closer to another object.

• Pull

• Force

• Push

• Motion

If the ball travels 90 m in 9 seconds, what is its average speed?

• 10 m/s

• 180 m/s

• 99 m/s

• 10 meters

Gravity is the force that makes objects

• stop moving.

• move uphill.

• push apart.

• pull toward each other.

Two elements you need to know to calculate the speed of an object.

• distance

• time

• force

• gravity

Velocity combines both speed and

(a)