P8

Question 1

Displacement

Answer 1

Distance in a given direction

Question 2

Driving force

Answer 2

Force of a vehicle that makes it move

Question 3

Forces

Answer 3

A force (in newtons n) can change the motion of an object

Question 4

Free body force diagram

Answer 4

A diagram that shiws the forces acting on an object without any other objects or forces shown

Question 5

Friction

Answer 5

The force opposing the relative motion of two solid surfaces in contact

Question 6

Magnitude

Answer 6

The size ot amount of a physical quantity

Question 7

Newtons first law of motion

Answer 7

If the resultant force on an object is zero the object stays at rest if it is stationary or it keeps moving with the same speed in the same direction

Question 8

Newtons third law of motion

Answer 8

When two objects interact with each other they exery equal and opposite forces on each other

Question 9

Parallelogram of forces

Answer 9

A geometrical method used to find the restultant of two forces that do not act along the same line

Question 10

Resultant forces

Answer 10

A single force that has the same effect as all the forces acting on the object

Question 11

Scalar

Answer 11

A physical quantity such as mass or energy that has magnitude only unlike a vector which has magnitude and direction