1
Q
Which of these is the best way to measure a force?
A
newton metre
2
Q
Forces can be:
A
pushes and pulls
3
Q
What is the unit of force called?
A
Newtons(N)
4
Q
What can we say about the forces on an object that is not moving?
A
the forces must be balanced
5
Q
What happens to the air resistance on a car as the car goes faster?
A
It increases
6
Q
A force of 4 N acts on a lever 2 m from the pivot. What is the moment?
A
8 NM
7
Q
One way to increase the turning force on a spanner is to:
A
use a longer spanner
forces speed and variables
flashcards
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