Unit5: Forces [Equations]

Question 1

Whats the equation for Weight?

Answer 1

WEIGHT
= mass x gravitational field strength

Question 2

Whats the equation for Work Done?

Answer 2

WORK DONE
= force x distance(moved along the line of action to the force)

Question 3

Whats the equation for Force?

Answer 3

FORCE
= spring constant x extension

Question 4

Whats the equation for the Moment of a Force?

Answer 4

MOMENT OF A FORCE
= force x distance(perpendicular to the direction of the force)

Question 5

Whats the equation for Pressure?

Answer 5

PRESSURE
= force normal to a surface / area of that surface

Question 6

Whats the equation for Distance Travelled?

Answer 6

DISTANCE TRAVELED
= speed x time

Question 7

Whats the equation for Acceleration?

Answer 7

ACCELERATION
= change in velocity(or final velocity - initial velocity) / time taken

Question 8

Whats the equation for Resultant Force?

Answer 8

RESULTANT FORCE
= mass x acceleration

Question 9

Whats the equation for Momentum?

Answer 9

MOMENTUM
= mass x velocity