# Mr Goh's Physics P2 flashcards

Flashcards by j.goh, updated more than 1 year ago
 Created by j.goh about 6 years ago
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### Description

Use these cards to help you to memorise key ideas in Physics.

## Resource summary

 Question Answer What is the unit for kinetic energy ? Joule (J) What is the unit for gravitational potential energy ? Joule (J) What is the name of force W ? Weight What is the name of force F ? air resistance / drag What is the name of force R ? upthrust How will the car move when forces F and P are the same size ? stationary or constant velocity / speed How will the car move if force P is larger than force F ? The car will accelerate to the right What is the size of the resultant force when an object is moving at a constant velocity ? zero / no resultant force / 0 N What is the size of the resultant force on an object when it is moving at terminal velocity ? zero / no resultant force / 0 N What type of energy does a ball have when it is thrown and is moving upwards ? kinetic energy What type of energy does a ball have when it is thrown and it reaches its highest point ? gravitational potential energy How much gravitational potential energy does a ball have when it lands on the ground ? no gravitational potential energy / 0 J Which graph shows that the object is stationary ? b (flat line) Which graph shows the object moving forwards at a steady speed ? a (line sloping upwards) Which graph shows the object moving backwards ? c (line sloping downwards) Between what times is the object stationary ? Between 0s and 3s (flat line at 0 m/s) Between what times is the object moving at a constant velocity ? Between 5s and 8s (flat line at 8m/s) What is the size of the acceleration between 3s and 5s ? 4 m/s squared ( 8/(5-3) ) How do you work out the distance traveled by the object ? Calculate the area under the graph

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