push
It takes ______ force to pull a sled uphill.
more
The strength of any force can be changed. True or false?
true
A _______ is a simple machine because it changes the direction of a force.
a. phone
b.hammer
c. thermometer
A mother with a baby stroller
push
It takes _____ force to pull the sled over flat ground.
Adding an extra dog to a sled team will change the _____ of the sled.
speed
Does it take a strong force or a weak force to move the dog sled? How do you turn it left or right?
A strong force.
The dogs change the direction of their pull to turn left or right.
Walking a dog
pull
It takes ________ force to push a heavy table.
more
How are forces involved in moving a pizza in and out of an oven?
You push to put the pizza in and pull it to take it out.
Opening a refrigerator
pull
It takes _____ force to push a chair.
What happens when you throw a basketball with a force that is too small?
The ball will not make it in the basket.