Newton's 2nd Law

Your car has a mass of 2500 kg and a force of 5000 N. How fast will it accelerate?

• 20 m/s²

• 2 m/s²

• 0.5 m/s²

• 120 N

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

• 25 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

What is the net force?

• 40 N left

• 400 N right

• 0 N Balanced

• 40 N right

Jenny applies a 60 N force to a 20 Kg cart, what is the acceleration of the cart if friction can be neglected?

• 1200 m/s/s

• 0.33 m/s/s

• 20 m/s/s

• 3 m/s/s

The mass of a wagon is 40 kg. The wagon accelerates at 8 m/s² . What is the force?

• 38.25 Kg

• 320N

• 5N

• 3.825Kg

If an object was accelerating at 10 m/s², and a force of 10 newtons was required to accelerate it, what was the object's mass?

• 1kg

• 10kg

• 5kg

• 2kg

What is Newton's 2nd Law?

• F=ma

• Every action has an equal and opposite reaction

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

• Friction

m/s² is the unit for.....

• Mass

• Force

• Acceleration

• weight

What Unit do we Measure Force in? 

• Newtons
• Joules
• Force
• Don't know

find the acceleration of the box.

• 12m/s² towards right

• 12m/s² towards left

• 40m/s²

• 60m/s