Physical Science Forces and Momentum Review

What is NOT part of Newton's First Law of motion?

• An object in motion stays in motion, unless acted on

• An object at rest stays at rest unless acted on

• Motion can only be changed by applying an unbalanced force

• Force equals mass time acceleration

Which is the correct representation of Newton's Second Law?

• F=m/a

• F=mΔa

• F=ma

• F=mv

Which of these is a mass?

• 5 N

• 5 m/s

• 5 m/s²

• 5 kg

Which of these is a mass?

• 10 g

• 10 N/s

• 10 lbs

• 10 cm

Which of these is a velocity?

• 15 m

• 15 m/s

• 15 m/s²

• 15 N

Which of these is an acceleration?

• 15 m

• 15 m/s

• 15 m/s²

• 15 N

What is a Newton?

• 1 m/s

• 1 m/s²

• 1 kg m/s

• 1 kg m/s²

Which of these is a force?

• 20 m/s

• 20 m/s²

• 20 kgm/s²

• 20 m

Which of these is a Force?

• 25 N

• 25 kg m/s²

• 25 lbs

• They are all Forces

A student has a mass of 60 kg. What Force is required to make them accelerate at 2 m/s²?

• 30 N

• 62 N

• 58 N

• 120 N