# data[].attributes.body
That the wheels Vs the sled it had less of a frictional force because it had smooth wheels when the sled didn't have wheels so there was more of a frictional force

# data[].attributes.body
Wheels reduce friction force

# data[].attributes.headline
Wheels effect sliding friction because they use less effort force. 

# data[].attributes.subject
Wheels effect sliding friction because they use less effort force. 

# data[].attributes.headline
Wheels affect sliding friction because if you use wheels then you will use less effort force, making less sliding friction. 

# data[].attributes.subject
Wheels affect sliding friction because if you use wheels then you will use less effort force, making less sliding friction. 

# data[].attributes.body
Wheels have less sliding friction because it has less effort force being pushed. Sliding friction slows objects down.

# data[].attributes.headline
When we had the wheels on the cart the sliding friction decreased because the wheels took away some of the work needed to pull the cart. 

# data[].attributes.subject
When we had the wheels on the cart the sliding friction decreased because the wheels took away some of the work needed to pull the cart. 

# data[].attributes.headline
because the wheels make the force less because the wheels help it go than the cart which just you do all the work. 

# data[].attributes.subject
because the wheels make the force less because the wheels help it go than the cart which just you do all the work. 

# data[].attributes.body
It makes moving an object easier than pulling or pushing an object without wheels.

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if you use wheels, then it will make the cart move faster

# data[].attributes.subject
if you use wheels, then it will make the cart move faster

# data[].attributes.headline
If u use wheels on a cart, then you can move it faster.

# data[].attributes.subject
If u use wheels on a cart, then you can move it faster.

# data[].attributes.body
When you have wheels on a cart you will not have to do as much work on the cart to move it.

# data[].attributes.headline
because since the wheel is a circle it takes less effort / force to push the cart then to carry all the stuff

# data[].attributes.subject
because since the wheel is a circle it takes less effort / force to push the cart then to carry all the stuff

# data[].attributes.body
You use less force

# data[].attributes.headline
When there are wheels on are cart , there is less work and less effort force because it is easier to push. 

# data[].attributes.subject
When there are wheels on are cart , there is less work and less effort force because it is easier to push. 

# data[].attributes.headline
The advantage of using weels on a cart is that the work done decraes 

# data[].attributes.subject
The advantage of using weels on a cart is that the work done decraes 