EASY
Upper Secondary-IGCSE
IMPORTANT
Earn 100

Imagine a creature that lives on Jupiter came to Earth and competed in the Olympic high jump. Consider how likely they are to perform against human competitors and explain your answer. (g=9.81 m s-2)

Important Questions on Forces and Motion

EASY
Upper Secondary-IGCSE
IMPORTANT

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The spacing between the dots in the figure increases gradually. State what tells you about the speed of the falling object.

EASY
Upper Secondary-IGCSE
IMPORTANT

Add dots onto the diagram below to show the pattern you would expect to find for an object with greater mass, but same surface area at same intervals of time.

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EASY
Upper Secondary-IGCSE
IMPORTANT

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What would be the acceleration you would expect to find for an object with greater mass, but same surface area at same intervals of time.

EASY
Upper Secondary-IGCSE
IMPORTANT

Complete the table.

Quantity Symbol SI unit
  F  
  m  
  a  

 

EASY
Upper Secondary-IGCSE
IMPORTANT
State the equation that connects the force, mass and acceleration.
EASY
Upper Secondary-IGCSE
IMPORTANT
Rearrange the equation of force given by Newton's second law of motion and find the value of acceleration and mass from it.
EASY
Upper Secondary-IGCSE
IMPORTANT
Calculate the resultant force needed to give a mass of 20 kg an acceleration of 0.72 m s-2.
EASY
Upper Secondary-IGCSE
IMPORTANT
A car of mass 450 kg is acted on by a resultant force of 1575 N. Calculate its acceleration.