Vocab
a push or pull that can cause an object to move or change its motion.
Force
True or False: An object with more mass requires less force to move.
False
What is an everyday example of a push?
Pushing a shopping cart, kicking a soccer ball, doing a push-up, closing a drawer.
Forces that are equal in size but opposite in direction
Balanced Force
The distance an object travels in a specific amount of time.
Speed
True or False: If you use the same force on a marble and a bowling ball, the bowling ball will go faster.
False
What is an everyday example of a pull?
Zipping up your jacket, opening a desk drawer, picking flowers
Double Points!
Forces that cause a change in motion.
Unbalanced Force
Double Points!!
A change in an object’s position over time.
Motion
True or False: You use a Triple Beam Balance to find an objects mass.
True
Two Part Question! (Double Points)
The Grocery Store: You are pushing a cart. You add 10 heavy gallons of water to it
Does the cart now have more or less mass?
Will you need more or less force to stop the full cart compared to the empty one?
More Mass and More Force to stop the full cart
What is the formula to calculate the speed of an object?
Speed = Distance / Time
the amount of matter in an object, which affects its motion.
Mass
True or False: To make an object slow down, you must apply an unbalanced force.
True
Tug-of-War: Team A and Team B are pulling on a rope. The rope is not moving at all. Are the forces balanced or unbalanced?
Balanced
Describe the difference between Distance, Time and Direction using your drive/walk from your house to the school
Distance= How far away from school you live
Time= How long it takes to get to school
Direction= Which way do you have to drive to get to school. (left, right, north, west etc)