Force Test

A group of students is playing tug-of-war. The students on both sides of the rope are pulling with equal force so that the rope is not moving. This is an example of

• unbalanced forces

• balanced forces

A firefighter feels the hose pushing backwards onto him as he uses it to put out a fire. What is the most likely cause of this?

• The hose material is very elastic.

• Since the hose is at rest, it tends to stay at rest.

• The escaping water exerts an equal and opposite force on the hose.

Tags

NGSS.MS-PS2-1

If the same force is applied to each of the balls pictured below, which one will have the LEAST acceleration?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-2

Which of the following is measured in Newtons?

• weight

• momentum

• acceleration

Tags

NGSS.MS-PS2-4

The upward force on an object falling through the air is ____.

• air resistance

• momentum

• inertia

The relationship among mass, force, and acceleration is explained by ____. (F=ma)

• Law of Conservation of Momentum

• Newton's 1^st Law of Motion

• Newton's 2^nd Law of Motion

Tags

NGSS.HS-PS2-1

According to Newton’s laws, for any object, the greater the force that's applied to it, the greater its ____ will be.

• acceleration

• gravity

• size

Tags

NGSS.MS-PS2-2

The size of the gravitational force between two objects depends on their ____.

• frictional forces

• inertia

• masses and the distance between them

Tags

NGSS.MS-PS2-4

An astronaut is planning a trip to a newly-discovered planet. According to the Law of Universal Gravitation, the astronaut's weight on the new planet will be greater than his weight on Earth if:

• the new planet has more gravity than Earth.

• the new planet has the same gravity as Earth.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

"To every action there is an equal and opposite reaction" describes which law?

• Law of Conservation of Momentum

• Newton's 1^st Law of Motion

• Newton's 3^rd Law of Motion

Tags

NGSS.MS-PS2-1