Force, Work and Power Flashcards
1
Q
Force is measured in…
A
Newtons (N)
2
Q
Examples of force
A
Push pull weigh and friction
3
Q
Forces are measured…
A
With a spring balance
4
Q
Weight
A
The weight of an object is the force of gravity acting on it.
5
Q
Hooke’s law
A
States the extension of a springs depends on the size of the weight (force) attached to it
6
Q
Energy
A
Is the ability to do work
7
Q
Energy is measured in…
A
Joules (J)
8
Q
Work
A
Is done when a force moves an object
9
Q
Power
A
Is the rate at which work is done
10
Q
Power is measured in…
A
Watts (W)
11
Q
Force
A
Force is anything which cause an object to move or change its velocity