Motion, Speed, and Forces

Motion is a change in ____.

• time

• speed

• velocity

• position

The speed you read on a speedometer is ____.

• instantaneous speed

• constant speed

• average speed

• velocity

3 m/s north is an example of a(n) ____.

• speed

• velocity

• position

• acceleration

A merry-go-round horse moves at a constant

speed but at a changing ____.

• velocity

• balanced force

• inertia

• unbalanced force

Acceleration is rate of change of ____.

• position

• time

• velocity

• force

If you ride your bike up a hill, then ride down the

other side, your acceleration is probably____.

• all positive

• all negative

• first positive, then negative

• first negative, then positive

Tags

NGSS.MS-PS2-4

Inertia varies depending on ____.

• force

• mass

• velocity

• motion

Tags

NGSS.MS-PS2-2

Newton's first law of motion is also called the

law of ____.

• mass

• inertia

• force

• constant velocity

The relationship among mass, force, and

acceleration is explained by ____.

• conservation of momentum

• Newton's first law of motion

• Newton's second law of motion

• Newton's third law of motion

Tags

NGSS.MS-PS2-2

The acceleration due to gravity is ____.

• a. 98 m/s²

• b. 9.8 m/s²

• c. 9.8 m/s

• d. 0.98 m/s