What is Force?

The upward force exerted on an object falling through air is _____.

• Terminal velocity

• air resistance

• momentum

• weightlessness

What force causes a 1-kg mass to accelerate at a rate of 1 meter per second each second?

• 1 kg/m•s2

• 1 kg•m

• 1 kg/s

• 1 newton

Tags

NGSS.MS-PS2-2

When an object moves in a circular path, it accelerates toward the center of a circle as a result of __________.

• terminal velocity

• centripetal force

• momentum

• friction

Identify types of friction

• rolling

• static

• gravity

• sliding

The friction force that acts on objects that are at rest is

• static friction

• sliding friction

• rolling friction

• fluid friction

In the equation, p=mv, p represents _____________

• momentum

• friction

• inertia

• velocity

Tags

NGSS.HS-PS2-2

Gravity is a(n) _______force that pulls objects together.

• neutral

• attractive

• repulsive

Tags

NGSS.MS-PS2-4

Terminal velocity is the constant velocity of a falling object when the force of air resistance equals the force of gravity

• True

• False

Tags

NGSS.HS-PS2-4

The curved path caused by the combination of an initial forward velocity and the downward force of gravity is known as __________ motion.

• centripetal

• arched

• projectile

• constant

The tendency of an object to resist a change in its motion.

• Inertia

• Mass

• Weight