Moment of a Force

Question 1

a lever is

Answer 1

any device which can turn about a pivot

Question 2

in a lever, a force is called the

Answer 2

effort

Question 3

the effort is used to

Answer 3

overcome a resisting force called the load

Question 4

when we use a crowbar to move a heavy boulder, what applies the effort

Answer 4

our hands

Question 5

… our hands apply the effort at one end of the bar and what is the force

Answer 5

the load

Question 6

the load is exerted by the

Answer 6

boulder on the other end

Question 7

the turning effect, also known as the

Answer 7

moment of a force

Question 8

what does the moment of a force depend on

Answer 8

the size of the force AND the perpendicular distance away from the pivot (point about which the turning takes place)

Question 9

moment of a force=

Answer 9

applied force x perpendicular distance of line of action of force from pivot

Question 10

Unit=

Answer 10

Nm

Question 11

When an object turns, it turns in either what directions?

Answer 11

an anticlockwise or clockwise direction

Question 12

the greater the moment of a force, the…

Answer 12

easier it is for an object to turn (I cant believe you didn’t get that)

Question 13

all turning takes place about a point called the

Answer 13

pivot/fulcrum (wow youre failing this brainscape bro)