Chapter 3 : force and moment

What is a PUSH or PULL of an object?

• Motion
• Force
• Friction
• Gravity

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the formula for force?

• F=m/a

• F=a/m

• F=ma

Tags

NGSS.HS-PS2-1

Any time the forces are unbalanced, an object will remain at rest. True or false?

• true
• false

If a 10 kilogram object accelerates suddenly at 15 m/s², how much force was applied to the object?

• 150 Newtons
• 15 Newtons
• 150 kilograms
• 100 kilograms

Tags

NGSS.MS-PS2-2

8 N to the left , and 4 N to the right. Find the net force. Is this balanced 

• 12 N Right  No
• 4 N Left  No
• 12 N Right  Yes
• 4 N Left  Yes

Tags

NGSS.MS-PS2-2

What is the standard unit force is measured in?

• Newtons
• pounds
• grams
• meters

What is the net force?

• 30 N left
• 25 N right
• 5 N left
• 55 N right

Calculate the Net Force. 

• 40N, Left
• 40N, Right
• 0N, Balanced
• 75N, Right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Calculate the Net Force. 

• 60N, Left 
• 40N, Right 
• 0N
• 60N, Right

What is the net force of an object that is not moving?

• 0 N
• 100 N
• Upward force
• 10 N