Question 1

What is the gravitational field strength on our planet ?

Accepted Answer

10 N / kg

Answer

5 N/ Kg

Answer

20N/kg

Answer

15 N /Kg

Question 2

What is the units for  'weight' ?

Accepted Answer

newtons

Answer

tonnes

Answer

grams

Answer

Kilograms

Question 3

What is the equation for calculating  weight ?

Accepted Answer

weight  =  mass   x  gravity strength

Answer

weight = mass

Answer

weight= mass - gravity strength

Answer

weight= mass + gravity strength

Question 4

Calculate the weight of a   45 Kg  dog  ( remember how strong gravity is on our planet)

Accepted Answer

450 N

Answer

360 N

Answer

452 N

Answer

455 N

Question 5

If the upthrust on the wings of a plane is 5000 N and the weight of the plane is 3000 N. What size is the resultant force and what is it's direction ?

Accepted Answer

2000 N  downwards

Answer

2000 N upwards

Answer

2000 N downwards

Answer

8000 N upwards

Question 6

What two distances make up the total stopping distance ?

Accepted Answer

braking distance  +  thinking  distance

Answer

braking distance + reaction time

Answer

accelerating distance   +   braking time

Answer

looking distance                                    +     driving distance

Question 7

What will happen  if the driver of a car has been drinking ?

Accepted Answer

Thinking distance  will increase

Answer

braking distance will decrease

Answer

Braking distance will increase

Answer

Thinking distance will decrease

Question 8

What part of stopping distance will worn tyres affect ?

Accepted Answer

braking distance

Answer

reaction time

Answer

thinking distance

Answer

braking time

Question 9

What is a typical reaction time of a human ?

Accepted Answer

0.25 seconds

Answer

0.35

Answer

0.5

Answer

0.1

Question 10

What is the equation that links force, mass and acceleration ?

Accepted Answer

Force  =  mass  x  acceleration

Answer

force = mass - acceleration

Answer

acceleration = force x mass

Answer

mass = force x acceleration

Question 11

What is the force needed to accelerate a mass of 6 Kg by   3 m/s2

Accepted Answer

18 N

Answer

1800 N

Answer

2 N

Answer

0.5 N

Question 12

Name a factor that can affect a driver's reaction time .

Accepted Answer

tiredness

Answer

type of tyres

Answer

speed of car

Answer

type of road surface

Question 13

How will  a wet surface of a road affect the stopping distance of a car ?

Accepted Answer

braking distance will increase

Answer

thinking distance will increase

Answer

braking distance will decrease

Answer

reaction time will increase

Question 14

What is meant by 'balanced forces ' ?

Accepted Answer

Forces that are the same size and act in opposite directions

Answer

When opposite forces are a similar size

Answer

Forces that balance objects

Answer

Forces that  are the same size

Question 15

What is the force needed to accelerate a mass of 500g by 2 m/s2  ?

Accepted Answer

1 N

Answer

1000 N

Answer

0.04 N

Answer

250 N

Question 16

Complete the sentence :  ' The bigger the deceleration of a car ...

Accepted Answer

the shorter the time it takes to slow down

Answer

the longer the time it takes to slow down

Answer

the time taken to slow down is bigger

Answer

the faster the car

Question 17

What happens to the speed of a car if the resultant force is zero

Accepted Answer

Car moves at a steady speed

Answer

Car will speeds up

Answer

Car slows down

Answer

Car will be stationary

Question 18

Complete the sentence : ' The quicker a car slows down .......... '

Accepted Answer

the bigger the force on the car and passengers .

Answer

the bigger the force on the car only.

Answer

makes no difference to the force on the car and passengers .

Answer

the smaller the force on the car and passengers.

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