Unit 7 Review

What force holds the planets in motion around the sun?

• Magnetic
• Electrical
• Gravitational
• Air Resistance

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What does the strength of gravity between two objects depend upon?

• Mass & distance
• Mass & weight
• Gravity & inertia
• Inertia & mass

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

An _______ force must act on an object for it to CHANGE it's motion

• balanced
• unbalanced
• gravitational
• electrical

Tags

NGSS.MS-PS2-2

What is defined as a push or pull?

• force

• motion

• vector

• speed

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

This type of force resist motion between two surfaces that are pressed together

• contact
• gravity
• friction

If the net force is equal to zero, the forces acting on the object are

• balanced

• unbalanced

Tags

NGSS.MS-PS2-2

Balanced forces do not change the objects speed or 

• direction
• distance 
• time
• mass

Tags

NGSS.MS-PS2-2

The unit of force is

• m/s
• m/s^2
• newton
• kg

What is the net force?

• 5000 N right
• 4000 N right
• 40 N left
• 4000 N left

Tags

NGSS.MS-PS2-2

What is the net force in this picture?

• 50 Newtons to the right
• 950 Newtons to the right
• 950 Newtons to the left
• 50 Newtons to the left

Tags

NGSS.MS-PS2-2