Newton's 1st Law

How do you know it's a vector quantity?

• It has speed and direction

• It has magnitude and direction

• It has distance

• It has magnitude

Which of these is an example of a force?

• Gravity

• Normal

• Friction

• All of them

Which of these are an example of a force?

• Air resistance

• Magnetic

• Elastic

• All of them

Does this picture show a balanced or unbalanced force?

• Balanced

• Unbalanced

Which one IS NOT a force acting on this object?

• Gravity

• Normal

• Magnetic

• Push

Which story matches the graph?

• A toddler rides his bike up the pavement for 5m.  He then turns around and rides back.  2m from home, he hits a bump and falls off his bike.

• A toddler rides his bike up the pavement for 10m.  He then turns around and rides back.  They arrive home in 4 seconds.

• A toddler rides his bike up the pavement for 10m.  He then turns around and rides back.  2m from home, he hits a bump and falls off his bike.

• A toddler rides his bike towards their house for 10m.  He then turns around and rides back.  2m from home, he hits a bump and falls off his bike.

What's another name for Newton's First Law?

• Law of motion

• Law of inertia

• Law of balanced forces

• Law of scalars

Which of these is a scalar?

• 10 m

• 5 N, west

• 20 m/s, north

• 5 m,  northwest

Which of the following examples includes a vector quantity?

•  A ball that rolled 12.5 m

• A car moving north at 85 km/hr

• A 3.5 kg skateboard moving at 1.5 m/s

• A 100 kg object

What does it mean if vector arrows get bigger or smaller?

• The direction of the force changes

• The magnitude of the force gets bigger or smaller

• The heat transfers from the hotter substance to the cooler substance