GCSEPhysMomentsCards13

Question 1

Equation for the Moment of a Force

Answer 1

moment = force x perpendicular distance from pivot

M = F x d

Question 2

The Principle of Moments applies to any object …??

Answer 2

in equilibrium

Question 3

The Principle of Moments equation

Answer 3

total clockwise moment = total anticlockwise moment

Question 4

The moment of a force is measured in…?

Answer 4

Newton metres (Nm)

Question 5

When a lever is used to make a task easier, the force applied by the user is called the …?

Answer 5

effort

Question 6

When a lever is used to make a task easier, the force being overcome is called the …?

Answer 6

load

Question 7

For a wheelbarrow the …?… is at the centre of the wheel

Answer 7

pivot

Question 8

For a wheelbarrow the …?… acts vertically down through the centre of gravity

Answer 8

load

Question 9

The equation for minimum effort needed to lift a load

Answer 9

minimum effort x effort distance to pivot = load x load distance to pivot

Question 10

For a wheelbarrow the …?… acts upwards through the hand

Answer 10

effort

Question 11

The centre of gravity of an object is the point through which all of its …?… appears to act.

Answer 11

weight

Question 12

When a lever is used as a force-multiplier the …?… is placed close to the load.

Answer 12

pivot