Science Flashcards
Not fail exam
1
Q
Gravity =
A
attraction
2
Q
The greater the mass…
A
the more gravity it has
3
Q
The gravity pulls toward the centre of mass. true, false
A
true
4
Q
Is gravity a non-contact force
A
yes
5
Q
Gravitational fields are
A
force fields
6
Q
The measurements that mass is measured in include,
A
grams (g) kilograms (kg) an tonnes (t)
7
Q
Mass always remains the same
A
true
8
Q
Weight depends on mass and the gravitational field
A
true
9
Q
Weight = mass x gravity
A
true
10
Q
Friction occurs when whenever one object tries to move over another
A
true
11
Q
friction is a non contact force
A
false
12
Q
Oil increases friction
A
false
13
Q
Friction depends on:
A
- How rough the surfaces are
- How hard the surfaces are pushed together
- The more weight the more friction
14
Q
Friction between an object and the air around it slows its motion
A
true
