Eng Physics 5.1 Formative

A _____ is a push or a pull.

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NGSS.HS-PS2-1

NGSS.HS-PS2-2

Forces are considered vectors because they have both magnitude and _____.

Most objects have more than one force acting on them. The vector sum of all the individual forces acting on an object is called _____.

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NGSS.MS-PS2-2

The tendency of an object to resist any change in motion.

Force is measured in units called _____.

What is required to make a resting object move or a moving object change its speed or direction?

• a force

• a zero net force

• a non-zero net force

Tags

NGSS.MS-PS2-2

What happens to the acceleration of an object if the net force acting on it triples in magnitude?

• it triples

• it doubles

• it is 1/3 as much

• it is 1/2 as much

Tags

NGSS.MS-PS2-2

How much force (in Newtons) is required to give a 0.15-kg baseball an acceleration of 12 m/s²?

Tags

NGSS.MS-PS2-2

An airplane lands and begins to slow down as it moves along the runway. If its mass is 3.5 x 10⁵ kg and the net braking force is 4.3 x 10⁵ N, what is the airplane's acceleration (in m/s²)?

Tags

NGSS.MS-PS2-2

Your 1400-kg car pulls a 560-kg trailer away from a stoplight with an acceleration of 1.85 m/s2. What is the net force acting on the car (in Newtons)?

Tags

NGSS.MS-PS2-2