Forces and Gravity

To calculate net force, when forces are acting in the same direction, the forces are ...

• added 

• subtracted 

• mutiplied 

• divided 

Tags

NGSS.MS-PS2-2

With unbalanced forces, the object will move in the direction of the _______ force.

• larger 

• smaller 

• equal 

Tags

NGSS.MS-PS2-2

To calculate net force, when forces are acting in opposite directions, the forces are ...

• added 

• subtracted 

• multiplied 

• divided 

Tags

NGSS.MS-PS2-2

Imagine you travel to another planets. What will change as you walk around the surface of the planet- your mass or your weight?

• Mass

• Weight 

• Both 

• Neither 

Friction is a force that acts in a(n) ___________ direction relative to a moving object.

• similar

• opposite

• parallel

• perpendicular

What is the unit that measures force?

• Weight

• Net force

• Newton

• Kilogram

How would the absence of friction affect a marble traveling on a long, straight path?

• The marble’s speed would decrease.

• The marble’s speed would increase.

• The marble would stop immediately. 

• The marble would remain at a constant speed.

When does a falling object experienced balanced forces?

• When it reaches terminal velocity

• During free fall

• When it first starts to fall

• When it bounces up after hitting the ground

How do you lower the friction force?

• By a smooth surface

• By a rough surface

• By not pushing hard

• By pushing down

What type of fluid friction acts on an object moving through the air?

• Friction 

• Normal Force 

• Gravity 

• Air resistance