forces Flashcards
1
Q
the weight(or gravitational force) of an object acts?
A
acts vertically downwards
2
Q
what is the normal reaction force?
A
the force which acts perpendicular to a surface when an object is in contact with the surface
3
Q
example book on a table
what is the normal reaction force due to?
A
normal reaction force is due to the weight of the book resting on the surface of the table
4
Q
what is friction?
A
a force which opposes the motion between two rough surfaces
5
Q
if an object is being pulled along by a string, the force acting on the object is called
A
the force acting on the object is called the tension in the string
6
Q
if an object is being pushed a long using a light rod, the force acting on the object is called?
A
the thrust of compression in the rod
