Mechanics

Question 1

What is Newton’s 1st law of motion?

Answer 1

A particle will remain at rest until there is a resultant force acting on it

Question 2

What is Newton’s 2nd law of motion?

Answer 2

F = M A

Question 3

What is Newton’s 3rd law of motion?

Answer 3

Every action has an equal and opposite reaction

Question 4

SUVAT

Answer 4

S= displacement
U= initial velocity
V= final velocity
A= acceleration
T= time

Question 5

What are scalar quantities?

Answer 5

Only have magnitude

Question 6

What are vector quantities?

Answer 6

Force with magnitude and direction

Question 7

What does the gradient represent on a velocity time graph?

Answer 7

Acceleration

Question 8

What is the area under the graph represent on a velocity time graph?

Answer 8

The distance travelled.

Question 9

What is the resultant force?

Answer 9

The overall force acting on an object.

Question 10

What is the acceleration of gravity?

Answer 10

9.8 ms^-2

Question 11

What are examples of vector quantities?

Answer 11

Displacement
velocity
acceleration
force
weight.

Question 12

What are examples of scalar quantities?

Answer 12

Distance
speed
time
Mass.