Circular Motion

Question 1

What is centripetal force?

Answer 1

It is the resultant force causing this acceleration and it is always directly towards the centre of the circle

Question 2

The centripetal force needed to make an object perform circular motions increases as:

Answer 2

The mass do the object increases
The speed of the object increases
The radius of the circle decreases

Question 3

A student is writing a cooker around on a piece of string, in a horizontal coracle. What force provides the centripetal force?

Answer 3

Tension in the string

Question 4

What will happen to the cooker is the string breaks?

Answer 4

The confer will fly off in a straight line at a tangent to the circle

Question 5

What happens when an object moves in a circle?

Answer 5

It continuously accelerates towards the centre of the circle. This acceleration changes the direction of motion of the body, not the speed