moment

Question 1

What is:

Torque

Answer 1

Turning of twisting effectiveness of a force, measures the effectiveness of a foce at accelerating a rotation

Question 2

What is:

Perpindicular lever arm

Answer 2

The shortest distance from the pivot point to the line along which F lies

Question 3

What is the:

Centre of gravity

Answer 3

The point where the total weight of the body is assumed to be concentrated

Question 4

What is the:

Torque formula

Answer 4

τ=𝑟𝐹sin 𝜃

Question 5

What is the:

Rotating force of a body at equilibrium

Answer 5

Can be any, but it is constant and has no acceleration.

Question 6

What are the factors:

Affecting torque

Answer 6

Magnitude, direction and point of application, and degrees feta to a point A

Question 7

What is the:

Unit of torque

Answer 7

Newton Metres

Question 8

What is a:

Moment

Answer 8

The turning or twisting effect of a force, affected by:
Size of force
Distance of force from the pivot
direction of the force - clockwise or anti-clockwise

Question 9

What is the:

Moment formula

Answer 9

Moment (N m) = Force (N) * perpindicular distance to axle (m)

Question 10

What is:

Moment principle 1

Answer 10

An object will not turn if the anticlockwise moment = the clockwise moments

Question 11

What is the:

Centre of mass

Answer 11

The point at which all the mass is concentrated. This can be found by holding an object by a point, and the centre of mass will be vertically underneath.