Topic 5 Resultant Forces And Work Dome Flashcards
1
Q
What does the size of the arrows show
A
The relative magnitude of the force and the direction of forces are acting
2
Q
What is the resultant force
A
Overall force acting on an object
3
Q
What happens when a force moves an object through a distance
A
Energy is transferred and work is done
4
Q
What does the force do to move an object
A
Work and energy is transferred from one store to another
5
Q
What does one Joule =
A
1 N meter
6
Q
Different forces in a Freebody diagram
A
Resistance
thrust
friction
weight
7
Q
To make something move what must be done
A
A force must be applied
8
Q
What does applying the force need
A
A source of energy eg fuel or food
9
Q
When is work done
A
When energy is transferred both usefully or wasted
