Forces and Newton's Second Law

A cat has a mass of 200 kg and accelerates at 3 m/s² to catch a mouse. How much force would be needed to stop the cat?

• 200 N

• 300 N

• 500 N

• 600 N

Tags

NGSS.MS-PS2-2

A force of 20 N acts upon a 5 kg block. Calculate the acceleration of the object.

• 100 m/s²

• 70 m/s²

• 15 m/s²

• 4 m/s²

Tags

NGSS.MS-PS2-2

What is the unit for force?

• kg

• newton

• m/s

• m/s2

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS2-4

If the object accelerates at a rate of 3 m/s/s, what is the object's mass?

• 3 kg

• 5 kg

• 60 kg

• 75 kg

Tags

NGSS.MS-PS2-2

What is the equation needed to solve for acceleration?

• A=fm

• A=m/f

• A=f/m

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the equation needed to solve for mass?

• M=a/f

• M=f/a

• M=fa

If the object accelerates at a rate of 2 m/s/s, what is the mass of the object?

• 2 kg

• 4 kg

• 6 kg

• 8 kg

Tags

NGSS.MS-PS2-2

Why is the net force 0 in the image?

• Because the elephants are the same size

• Because they are both pulling the same amount of force in opposite directions

• Because they are elephants

• Because they are pulling away from each other.

Tags

NGSS.MS-PS2-1

As the acceleration of an object increases, what happens to the force of the object? 

• force increases

• force decreases

• force remain the same

• mass increases

Tags

NGSS.MS-PS2-2

What is the equation for Newton's Second Law?

• Force/mass=velocity

• Mass/force=drag

• Force=mass x acceleration