phisics Flashcards
1
Q
What is another name for burning?
A
Combustion
2
Q
Which of these foods has the most energy per 100 grams?
apple
omlet
bread
A
bread
3
Q
Around how many kJ of energy does an adult need per day?
A
8400
4
Q
How many watts are in a kilowatt?
A
1000
5
Q
Which of these electric items uses the most power?
oven
clock
drill
A
Oven
6
Q
Which of these is the best way to measure a force?
A
a force meter.
7
Q
Forces can be:
A
Pushes and pulls
8
Q
What can we say about the forces on an object that is not moving?
A
The forces must be balanced
