Circular Motion Quiz

What is the formula to calculate the arc length in circular motion?

• s = r + Theta

• s = Theta / r

• s = r / Theta

• s = r * Theta

How many radians are there in a full circle?

• 180 radians

• 360 radians

• pi radians

• 2 pi radians

What causes the velocity of an object in circular motion to change?

• The object's direction

• The object's radius

• The object's mass

• The object's speed

Which formula represents centripetal acceleration?

• a = R^2 / V

• a = R / V

• a = V^2 / R

• a = V / R

What is the centripetal force acting on a pilot at the bottom of a loop if the normal reaction force is 14,100 Newtons?

• 12,500 Newtons

• 10,000 Newtons

• 2,140 Newtons

• 14,100 Newtons