MEDIUM

AS and A Level

IMPORTANT

Earn 100

An aeroplane of mass $8$ tonnes is flying horizontally through the air at $240 m s^{- 1}$ . There is air resistance of $20 kN .$ The pilot reduces the driving force from the engines to slow to $160 m s^{- 1}$ over $40 s$ before starting to descend. Find the magnitude of the reduced driving force.

Important Questions on Force and Motion in One Dimension

HARD

AS and A Level

IMPORTANT

Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 2 - Force and Motion in One Dimension>EXERCISE 2B>Q 14

A car of mass

1400 kg

slows down from

30 m s^{- 1}

20 m s^{- 1}

when the driver sees a sign for reduced speed limit

400 m

ahead. There is air resistance of

1000 N .

Determine whether the driver needs to provide a braking force or just reduce the amount of driving force exerted, and find the size of the force.

EASY

AS and A Level

IMPORTANT

Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 2 - Force and Motion in One Dimension>EXERCISE 2C>Q 1

Find the weight of a man of mass

70 kg .

(

Take

g = 10 m s^{- 2} .)

EASY

AS and A Level

IMPORTANT

Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 2 - Force and Motion in One Dimension>EXERCISE 2C>Q 2

A young goat has weight

180 N .

Find its mass.

MEDIUM

AS and A Level

IMPORTANT

Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 2 - Force and Motion in One Dimension>EXERCISE 2C>Q 3

A ball is dropped from a height of

20 m .

Find the time taken to hit the ground.

MEDIUM

AS and A Level

IMPORTANT

Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 2 - Force and Motion in One Dimension>EXERCISE 2C>Q 4

A water fountain projects water vertically upwards with initial speed

10 m s^{- 1} .

Find the maximum height the water reaches.

EASY

AS and A Level

IMPORTANT

Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 2 - Force and Motion in One Dimension>EXERCISE 2C>Q 5

A ball is thrown vertically downwards with speed

5 m s^{- 1}

from a height of

10 m .

Find the speed with which it hits the ground.

EASY

AS and A Level

IMPORTANT

Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 2 - Force and Motion in One Dimension>EXERCISE 2C>Q 6

A wrecking ball of mass

1

tonne is dropped onto a concrete surface to crack it. It needs to strike the ground at

5 m s^{- 1}

to cause a crack. Find the minimum height from which it must be dropped.

HARD

AS and A Level

IMPORTANT

Cambridge International AS & A Level Mathematics : Mechanics Course Book>Chapter 2 - Force and Motion in One Dimension>EXERCISE 2C>Q 7

A coin of mass

0.05 kg

is dropped from the top of the Eiffel Tower, which is

300 m

tall. It experiences air resistance of

0.01 N .

Find the speed with which the coin hits the ground.

An aeroplane of mass 8 tonnes is flying horizontally through the air at 240 m s-1. There is air resistance of 20 kN. The pilot reduces the driving force from the engines to slow to 160 m s-1 over 40 s before starting to descend. Find the magnitude of the reduced driving force.

Important Questions on Force and Motion in One Dimension

Learn and Prepare for any exam you want !

An aeroplane of mass $8$ tonnes is flying horizontally through the air at $240 m s^{- 1}$ . There is air resistance of $20 kN .$ The pilot reduces the driving force from the engines to slow to $160 m s^{- 1}$ over $40 s$ before starting to descend. Find the magnitude of the reduced driving force.