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Forces and Motion (D)
Author :
Debbie Hackney
1.
After you pass by an object, what is its position relative to you?
A.
in front
B.
next to
C.
behind
D.
above
2.
This shows how fast an object changes position.
3.
A contact force that helps cars stay on the road
A.
gravity
B.
pull
C.
magnetism
D.
friction
4.
Any push or pull
A.
force
B.
Force
5.
A non-contact force that pulls skydivers to the ground
A.
Speed
B.
pull
C.
magnetism
D.
gravity
6.
This force can pull or attract certain kinds of metal.
A.
gravity
B.
friction
C.
magnetism
D.
bitcoin
7.
If you use force to move an object, then you have done ________.
A.
Work
B.
work
8.
The following are simple machines except:
A.
Work
B.
screw
C.
lever
D.
wedge
9.
A ramp is also known as this simple machine:
A.
lever
B.
pulley
C.
inclined plane
D.
wedge
10.
This simple machine can be a stiff bar that rests on a support.
A.
lever
B.
Lever
11.
Humans would use this simple machine to cut through a pie or to separate material
A.
lever
B.
wedge
C.
wheel and axel
D.
pulley
12.
Sailors use these simple machines to move the sails by changing the direction of motion with force.
A.
lever
B.
pulley
C.
inclined plane
D.
wedge