The Second Law of Motion

Any change in velocity is called ___________.

• speed

• force

• acceleration

• direction

Fnet= mass * acceleration

A 20 kg bike accelerates to the left at 10 m/s². what is the net force acting upon it?

• 25 Newtons

• 200 Newtons

• 200 Newtons to the left

• 10 Newtons

Tags

NGSS.MS-PS2-2

An object of mass 10 kg is accelerated upward at 2 m/s². What net force is required?

• 20 N upwards

• 2 N

• 5 N

• 20 N

Tags

NGSS.MS-PS2-2

What unit do we measure force in?

• Newtons

• Joules

• Volts

• Meters per second squared

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

NGSS.MS-PS2-4

An object accelerates at 5 m/s² to the East when a net force of 20 newtons is applied to it. What is the mass of the object?

• 4 kg

• 20 kg

• 0.5 kg

• 2 kg

Tags

NGSS.MS-PS2-2

According to Newton's second Law, which would take more force to slow down?

• The silver car

• The green car

• They would both take the same force

Tags

NGSS.HS-PS2-1

An object accelerates 8 m/s² when a net force of 40 Newtons is applied to it. What is the mass of the object?

• 4 kg

• 20 kg

• 5 kg

• 0.2 kg

Tags

NGSS.MS-PS2-2

A unbalanced force on an object means that an object is

• zero net force

• changing its motion

• sitting still

• moving at a constant velocity

Tags

NGSS.MS-PS2-2

The 2nd Law of Motion says the acceleration of an object depends on its _______ and ______. (Choose two answers)

• net force

• weight

• gravity

• mass

Tags

NGSS.MS-PS2-2

What is the unit for acceleration?

• m/s²

• m/s

• Newtons

• grams

Tags

NGSS.MS-PS3-1