Mechanics and materials

Question 1

What is a scalar quantity? Give 4 examples.

Question 2

What is a vector quantity? Give 4 examples.

Question 3

How can a vector be resolved into perpendicular components?

Question 4

What is required for translational equilibrium?

Question 5

Boxes hanging on threads

Question 6

What is the moment of a force?

Question 7

What is a couple?

Question 8

What is the principle of moments?

Question 9

What is the centre of mass of an object?

Question 10

What does it mean for an object to be uniform?

Question 11

What is required for true equilibrium?

Question 12

Calculating the moment of a force and a couple

Question 13

beams resting on supports

Question 14

cantilever beams and ladders

Question 15

tilting and toppling

Question 16

What is the velocity of an object?

Question 17

What is the acceleration of an object?

Question 18

Which SUVAT equation is not given on the data sheet?

Question 19

Under what conditions are the SUVAT equations valid?

Question 20

What is the horizontal acceleration of a projectile, ignoring air resistance?

Question 21

Why is the peak of a projectile’s motion a useful point to consider?

Question 22

How does air resistance affect the path of a projectile?

Question 23

What is Newton’s First Law?

Question 24

What is Newton’s Second Law?

Question 25

What is Newton's Third Law?

Question 26

What factors determine the magnitude of the normal contact force on an object?

Question 27

How does a weighing scale work?

Question 28

What factors determine the magnitude of the frictional force on an object?

Question 29

How does the air resistance force on an object vary with that object's speed?

Question 30

What is the terminal velocity of an object?

Question 31

identifying newtons third law pairs

Question 32

using newtons second law

Question 33

acceleration on slopes

Question 34

connected bodies

Question 35

What is the momentum of an object?

Question 36

What is the conservation of linear momentum?