Forces 1
A force is a ........or a .........
a pull or a push
A push is the force that moves an object .......from something.
away
A pull is a force that brings an object .........to an object.
closer
...........is the force that pulls things toward the earth.
Gravity
lighting is an example of .................force
Electrostatic
...............is when two different forces of equal strength push against each other in opposite directions (e.g., tug of war)
Balanced Forces
................are forces that are not equal in strength and may or may not act in the same direction (e.g., pushing a shopping cart)
Unbalanced Forces
...........is the force created through the use of your muscles.
Muscular Force
Jumping jacks is an example of pushing or pulling force?
pushing force
Rock climbing is a pushing or pulling force?
pulling
A force can make an object change its ......,......, and .....
speed, shape, and direction
Objects with more mass have more gravity (True or False)
True
If you let go of a ball, the ball drops to the ground because of ...........
Gravity
..........is a push or a pull that happens with static charged objects.
Electrostatic Force
Objects with different charges (positive and negative) will ..........toward each other.
pull
Objects with similar charges (positive and positive) will ..........from each other.
push
Gravity is a pulling or pushing force?
pulling
Clothing coming out of the dryer stick together because of .........................
electrostatic force
Magnets has 2 poles ......and .......
north and south
What north poles on two magnets do to each other?
they repel
what 2 south poles on two magnets do to each other?
they repel
what a north pole and a south pole on two magnets do to each other
They attract
A force that happens when two things rub together
Friction
Two non-contact forces are
magnetic force and gravity
Two contact forces
muscular force and friction