MECHANICS 3

Question 1

TERMINAL VELOCITY

Answer 1

velocity at which an objects drag equals its accelerating force = no resultant force and no acceleration

Question 2

THINKING DISTANCE

Answer 2

distance travelled from seeing the hazard to applying the braked

Question 3

THRUST

Answer 3

type of force due to an engine

Question 4

TORQUE

Answer 4

turning effect due to a couple (Nm)

Question 5

ULTIMATE TENSILE STRENGTH

Answer 5

max tensile force that can be applied to an object before it breaks

Question 6

ULTIMATE TENSILE STRESS

Answer 6

max stress the can be applied to an object before it breaks

Question 7

UPTHRUST

Answer 7

force on an object due to a difference in pressure when immersed in a fluid

Question 8

VELOCITY (v)

Answer 8

displacement per unit time (ms-1) vector

Question 9

VOLUME (V)

Answer 9

PHYSICAL QUANTITY REPRESENTING HOW MUCH 3D SPACE AN OBJECT OCCUPIES (m3)

Question 10

WATT

Answer 10

nit of power (W) 1W = 1Js-1

Question 11

WORK (W)

Answer 11

force x distance moved in the direction of the force (J) scalar

Question 12

YOUNDS MODULUS (Y)

Answer 12

stress/strain (Pa)