Unit 5&6

The strength of the gravitational force between two objects depends on the objects' 

• 1. masses and the distance between them

• 1. weights and acceleration

• 1. momentum and velocities

• 1. masses and velocities

Tags

NGSS.MS-PS2-4

Which of the following changes when an unbalanced force acts on an object?

• mass

• motion

• inertia

• weight

Tags

NGSS.MS-PS2-2

Which of the following is the force that slows a book sliding on a table?

• 1. Gravity

• 1. Static friction

• 1. Sliding friction

• 1. Inertia

Which of the following is a push or pull?

• force

• momentum

• acceleration

• inertia

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following descriptions of gravitational force is not true?

• 1. Gravity depends on the mass of objects.

• 1. It is a repulsive force. (pushes objects away)

• 1. It depends on the distance between the objects.

• 1. It exists between all objects.

Tags

NGSS.MS-PS2-4

A substance that can flow would be a ______.

• density

• pressure

• fluid

• 1. Buoyant force

 If you increase an object’s mass but not its volume, what have you changed?

• pressure

• density

• viscosity

• width

 _____ is the combination of all of the forces acting on an object.

• 1. Balanced force

• 1. Unbalanced force

• 1. Net force

• 1. Friction

Tags

NGSS.MS-PS2-2

 ___________ forces result in no net change in the motion of the object.

• 1. Balanced force

• 1. Unbalanced force

• 1. Net force

• 1. Friction

  ___________ forces result in a change in the direction and/ or speed of the object in the direction of the greatest force.

• 1.     Balanced force

• 1. Unbalanced force

• 1. Net force

• 1. Friction

Tags

NGSS.MS-PS2-2