Practicals Flashcards
1
Q
What is a machine that can be used to measure very precisely, very short time frames?
A
It is called a ticker timer. It punches holes at a rate of 50 per second. It is used to measure the speed of high speed moving objects with great accuracy.
2
Q
What is run through a ticker timer?
A
It is called ticker tape.
3
Q
What instrument can be used to measure force?
A
A newton meter.
4
Q
Why does a pen fall at a similar speed to a boulder?
A
Because they both have an acceleration of g.
