Physics Forces and Momentum Review

Which of these is NOT an equation for Force?

• F=ma

• F=mg

• F=m/v

• F=mΔv/Δt

What is the equation for force of gravity?

• F_g=mg

• F_Impact=mΔv/Δt

• p=mv

• E=mc²

What is the equation for the momentum of an object?

• Q=mCΔT

• p=mv

• F=ma

• W=Fd

What force is required to make a 100 kg block accelerate at 2 m/s²

• 100 kg2

• 2 m/s²

• 50 kg m/s

• 200 N

A horse pulls with a force of 1500 N on a cart with a mass of 500 kg. What is the cart's acceleration?

• 3 m/s²

• 1000 m/s²

• 2000 m/s²

• .333 m/s²

A student lifts a bag with 50 N. The bag accelerates at 1 m/s². What is the bag's mass?

• 500 kg

• 5 kg

• 50 kg

• 0.5 kg

Which has more momentum, a student sitting in their chair, or a student running down the hall?

• The sitting student

• The running student

• They have the same momentum

• We need to know the student's masses

What unit is used for FORCE?

• m/s

• m/s²

• kg

• N

What is the unit for velocity?

• m/s

• m/s²

• kg

• N

What is the unit for acceleration?

• m/s

• m/s²

• kg

• N