Force,Mass, & Acceleration

An object at rest does not move because it has ____________

• an unbalanced force

• acceleration

• meters per second every second

• inertia

Acceleration is

• slowing down

• turning

• going faster

• all of the above

Tags

NGSS.MS-PS2-2

Which law best describes why rockets go up when the exhaust and gasses go down.

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Newton's Fourth Law

Tags

NGSS.MS-PS2-1

If 20 N go to the left and 50 N go to the right the sum of the forces is:

• 30 N to the left

• 30 N to the right

• 80 N to the left

• 80 N to the right

Tags

NGSS.MS-PS2-2

An object at rests stays at rest, an object in motion....

• stays in motion until it slows down

• slows down quickly

• stays in motion at the same rate until acted on by a balanced force

• stays in motion at the same rate until acted on by an unbalanced force

Tags

NGSS.MS-PS2-2

Acceleration is measured in

• Newtons

• Kilograms

• m/s

• m/s²

Tags

NGSS.HS-PS2-1

Force is measured in

• kg

• m/s

• N

• m/s²

Tags

NGSS.HS-PS2-1

What is the force of an object with a mass of 30 kg and an acceleration of 10 m/s2? 

• 300
• 3
• 20
• 40

Tags

NGSS.MS-PS2-2

Calculate the acceleration of a 150 kg object that is moved with a force of 300N. 

• 2
• 150
• .5
• 450

Tags

NGSS.MS-PS2-2

What is the mass of an object that is accelerating 60 m/s2 when a force of 3000N is exerted? 

• 5
• 3060
• 50
• 180000

Tags

NGSS.MS-PS2-2