Physics 5.4.1

Question 1

As well as Causing Objects to Speed Up, Slow Down, Change Directions, & Deform, Forces can also Cause Objects to…

Answer 1

Rotate.

Question 2

An example of a Rotation Caused by a Force is on one Side of a ___.

Answer 2

Pivot.

Question 3

What is a ‘Pivot’?

Answer 3

A Fixed Point about which an Object can be Rotated around.

Question 4

The Rotation around a Pivot can be either ___ or ___.

Answer 4

Clockwise, Anticlockwise.

Question 5

If 2 Forces Act on an Object without ___ through the same point, then the Object can still ___. If the Forces are Equal & Opposite, this is known as a ___.

Answer 5

Passing, Rotate, Couple.

Question 6

A Moment is Defined as:

Answer 6

The Turning Effect of a Force about a Pivot.

Question 7

Moment = …

Answer 7

Force * Perpendicular Distance of the Force to the Pivot

Question 8

Why is a Door Hinge places on the Opposite side to the Hinge?

Answer 8

So Perpendicular Distance to Pivot is bigger. This Creates a Larger Moment (Turning Effect), to make it easier to Open the Door.

Question 9

Opening a Door where the Hinges are on the same side as the Handle would Require a lot more ___ to Open.

Answer 9

Force.