OFF TO THE RACES
You traveled 100 miles in 2 hours. Calculate your speed.
What is 50 mph?
A push or pull.
What is force?
Energy in the form of heat is called ____ ____.
What is: thermal energy?
Suppose you push on a bookshelf from one side and your friend pushes on the other side towards you with more force than you. What direction will it move?
What is: towards you
A force that keeps two objects that are touching each other from sliding past each other easily?
What is:Friction?
If a bus travels 200 miles in 4 hours and a car travels 300 miles in 5 hours, which one has the faster speed?
What is a car?
What must you do to cause an object to move?
What is exert a force?
Any change in speed or direction of an object's motion is called ____.
What is: acceleration
Say you want to re-arrange the furniture in your bedroom. If three people are in the room and it takes 36 Newtons of force to pull the bed, how many Newtons of force is that per person?
What is:12 Newtons
The measure of the force of gravity on an object.
What is: weight?
Two measurements that are needed to calculate speed.
What is distance and time?
Force is measured in units called _____.
What is: Newtons
The upward force that a surface exerts on an object that is resting on it is ____ ____.
What is: Normal Force?
An object's resistance to motion is called ____.
What is:resistance?
The direction of the force of friction on a book sliding to the right on a table is...
What is: to the left?
Calculate the speed of a car traveling 170 km in 2 hours.
What is 85 km/hr
The natural force that pulls all objects towards each other is ______.
What is: gravity
The natural force that pulls all objects towards each other.
What is:Gravity?
What happens to an object when the forces acting on it are balanced.
What is: It does not move or it moves at a constant velocity?
The greater the distance between objects, the stronger/weaker the pull of gravity is.
What is:weaker?
What is the speed of a marathon runner who runs the marathon in 2 hours. (A marathon is 26.2 miles)
What is 13.1 mph
Name an item that takes about 1 Newton of force to lift.
What is: an apple, jenga block, deck of cards
A specific point in space is _____.
What is:position?
Two teams are playing Tug of War. If the team on the left side (A) is winning, what does that tell you about the force in relation to the team on the right side(B)
What is: Team A is pulling with more force or team B is pulling with less force?
The energy an object has due to its motion is ____ ____.
What is: kinetic energy?