Topic 2.4: Uniform Circular Motion

Question 1

Define centripetal acceleration

Answer 1

o CENTRIPETAL ACCELERATION: The acceleration of a body moving in a circle. It is directed towards the centre of the circle. A body with a centripetal acceleration must be under the influence of a centripetal force.

Question 2

• 2.4.3: Identify the force producing circular motion in various situations

Answer 2

o Examples include gravitational force acting on the Moon and friction acting sideways on the tires of a car turning a corner