Paper 2-SP8,SP9 Flashcards
What is power measured in?
Watts.
What is 1watt?
1 Joule per second.
What is the equation for power?
Work done/time
What is it called if the objects are touching?
Contact forces.
When you stand on the floor where is the normal contact force?
Upwards from floor to you.
What type is gravity?
Non contact force as it does not need to touch.
What are action reaction forces?
Pairs of forces acting on different objects in opposite direction
What is the field around an object where it can affect other objects?
The force field.
What are other things that affect objects even when they are not directly in contact?
Magnetism, gravity, static electricity.
What does a magnet attract?
Objects made of magnetic materials (iron, nickel and cobalt).
What is the place around a magnet where it can effect another object?
Magnetic field.
What does an object charged with static electricity have?
An electric field (electrostatic field).
Can you do vector diagrams or scale diagrams?
If not watch a video.
What are some of the vector diagrams called?
Scale diagram and free body force diagram.
What is a turning force called?
A moment.
