Year 7 Forces Flashcards
1
Q
What is a force
A
A force is a push pull or twist on a object
2
Q
What is the measurement of forces
A
Newtons
3
Q
What is a contact force
A
A force that works when something touches it
4
Q
What is a non contact force
A
A force that works on its own
5
Q
State the equation to calculate the weight of an object?
A
Weight=mass times gravity
6
Q
What does gravitational force depend on?
A
The weight of the object
7
Q
State the equation to calculate speed
A
Speed=distance/time
8
Q
What is meant by a resultant force?
A
The overall force acting on the object
9
Q
What is a newton metre ?
A
Another name for a force metre
10
Q
What is magnetism
A
A force that attracts objects made of iron