What is the primary purpose of free body diagrams?

• To determine the color of an object

• To visualize the forces acting on an object

• To calculate the speed of an object

• To measure the weight of an object

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which of the following is NOT a type of force discussed in the video?

• Normal force

• Magnetic force

• Tension

• Gravity

In a free body diagram, where is the dot placed to represent the object?

• At the top left corner

• At the top right corner

• At the bottom right corner

• In the center

What does the length of an arrow in a free body diagram represent?

• The direction of the force

• The magnitude of the force

• The type of force

• The color of the force

If an object is motionless, what can be said about the net force acting on it?

• The net force is zero

• The net force is positive

• The net force is negative

• The net force is infinite

Tags

NGSS.MS-PS2-2

What symbol is used to represent applied force in a free body diagram?

• F sub N

• F sub T

• F sub app

• F sub G

Tags

NGSS.HS-PS2-1

In which direction does friction act relative to the motion of an object?

• At a 45-degree angle to the direction of motion

• Perpendicular to the direction of motion

• Opposite to the direction of motion

• In the same direction

What happens to the arrows representing forces if an object is moving at a constant velocity?

• The arrows are of different lengths

• The arrows are the same length

• The arrows point in random directions

• There are no arrows

What type of force is responsible for keeping a suspended object up?

• Normal force

• Tension

• Gravity

• Friction

Tags

NGSS.MS-PS2-4

If a container is suspended and not moving, what can be said about the forces acting on it?

• The forces are in the same direction

• There are no forces acting on it

• The forces are balanced

• The forces are unbalanced