8.6C - FAM Equations

If we want to find FORCE which formula would we use?

• F = Ka

• F = N

• F = ma

• F = mc2 

What formula would be used to find MASS for Newtons Second Law?

• F = ma

• m = F/a

• a = F/m

• m = DQ

What formula would we use to calculate acceleration for Newtons Second Law

• a = F/m

• m = F/a

• F = ma

What is the unit for FORCE?

• kilograms

• m/sxs

• Newtons

What is the unit for acceleration?

• Newtons

• m/s2

• kilogram

What is the unit for mass?

• kilogram

• Newtons

• m/sxs

A person with a mass of 75 kg is accelerated to 3 m/s2. How much force was applied to him?

• 225 N

• 25 N

• 0.04 N

A batter hits a baseball with 500 N and the ball is accelerated at 25 m/s2.What is the mass of the ball?

• 20 kg

• 12500 kg

• 0.05 kg

A cannon shoots a 40 kg ball at a sailing ship and when it hits the wall of the ship it applies 2000N of force. What was the acceleration?

• 50 m/s2

• 80000 m/s2

• 0.02 m/s2

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

• 4 m/s2

• 100 m/s2

• 0.25 m/s2