Physics

Question 1

When a rock is staying still, is it an unbalanced force or a balanced force?

Answer 1

Balanced force

Question 2

When the car is moving in a constant speed is it a balanced or unbalanced force?

Answer 2

Balanced

Question 3

When motorcycle is spinning around in a circle, is it a balanced or unbalanced force?

Answer 3

Unbalanced force

Question 4

The formula of speed in m/s

Answer 4

Speed = distance/time (metres/second)

Question 5

Stationary means

Answer 5

0
Movement

Question 6

A car is moving 25 km/h

The car must move faster at some times, why is that?

Answer 6

Because at times the car might be stopped at a red light or the car might be slower than 25 km/h at
Some times. To make the average 25 km/h there need to be some higher speeds aswell.

Question 7

Moment =

Answer 7

Force x distance

Question 8

Force = 600 N
Distance = 2 m

How much distance is needed in 800 N?

Answer 8

1.5 m

Question 9

Moment describes

Answer 9

The turning effect of a force

Question 10

Pressure =

Answer 10

Force/area

Question 11

As area gets smaller

Answer 11

Pressure gets bigger/increases

Question 12

When there is depth pressure will

Answer 12

Increase

Question 13

Particles of gas colliding with the walls of a container means that it exerts

Answer 13

A small force on the wall

Question 14

At sea level atmospheric pressure is

Answer 14

The highest

Question 15

When temperature increases the speed of particles will also

Answer 15

Increases

Question 16

Diffusion means

Answer 16

Random movement from an area of high concentration and low concentration

Concentration is a nukbrr of particals in a particular volume.