Motion and Newton's laws

What is the formula for force?

• F=M/A
• F=A/M
• F=M*A
• F=M*F

Tags

NGSS.MS-PS2-2

45 m/s² is the... 

• Mass
• Force 
• Acceleration
• weight

Tags

NGSS.HS-PS2-1

If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)

• The one with a mass of .78 kg will have the greatest acceleration.
• The one with a mass of .52 kg will have the greatest acceleration.
• They will both accelerate at the same rate.

Tags

NGSS.MS-PS2-2

A 20 kg bike accelerates at 10 m/s².  what was the force?

• 25 Newtons
• 20 Newtons
• 200 Newtons
• 10 Newtons

Tags

NGSS.MS-PS2-2

Unit of mass

• m/s 2
• m/s
• newtons
• kg

A student pushes a box to right with a force of 10N while a young boy pushes the box to the left with a force of 8N. What is the sum of all forces on the box? 

• 18N left
• 18N right
• 2N right
• 2N left

Tags

NGSS.MS-PS2-2

If net force acting on object is 0, then the force is considered to be..

• Balanced
• Unbalanced
• Equal in Direction
• Distance/Time

Tags

NGSS.HS-PS2-1

A cat sitting on couch, a pencil on desk and a car at rest are all example of..

• Balanced Force
• Unbalanced Force

Tags

NGSS.MS-PS2-2

What is Newton's First Law of Motion?

• F = m x a
• Every action has an equal an opposite reaction
• An object at rests stays, an object in motion stays in motion
• Friction

What pulls a ball back to earth?

• Gas
• Friction
• Gravity
• Molecules

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4