Forces Affecting Motion
Position, Direction & Speed
Balanced & Unbalanced Force
Friction & Graphing Data
Pot Luck
100
A leaf is blowing in the breeze. Eventually it falls to the ground. What force has made the leaf come down?
What is GRAVITY?
100
This term is NOT used to describe position
What is FAST?
100
Look at the picture. How can the forces used by Team A and Team B be described best?
What is TEAM A & TEAM B ARE PULLING WITH THE SAME AMOUNT OF FORCE?
100
Look at the picture. About how long did it take the scooter to go 40 meters?
What is 6 SECONDS?
100
This is a lubricant
What is GREASE?
200
What kind of force can cause 2 objects to push away from each other without touching?
What is MAGNETISM?
200
A car drives 3 hours. What else do you need to describe this car's speed?
What is THE DISTANCE THE CAR DRIVES?
200
Look at the picture. How can Team A win the tug-of-war game?
What is TEAM A PULLS WITH GREATER FORCE THAN TEAM B?
200
Friction only acts between objects if they ____________.
What is ARE TOUCHING?
200
A boy uses a bat to hit a softball with a certain amount of force. He then hits a ball of greater mass with the same amount of force. How does the ball with greater mass move compared to the softball?
What is SLOWER?
300
Suppose you push an object. Your push cannot _____________.
What is CHANGE THE OBJECT'S MASS?
300
The position of a runner in a race changes as time passes. What could be a reference point to describe the change in position?
What is ANOTHER RUNNER IN THE RACE?
300
What happens if balanced forces are applied to a moving object?
What is THE OBJECT KEEPS MOVING AT THE SAME SPEED AND DIRECTION?
300
Four students roll basketballs across four surfaces with the same amount of force. Which ball will most likely travel the farthest?
What is THE BASKETBALL ROLLING ON THE TILE FLOOR?
300
A student pushes 4 full boxes of the same size with the same amount of force. Each box contains different objects. In order from the most mass to the least mass, the boxes contain nails, rubber balls, plastic spoons, and feathers. Which box's rate of motion will change the most?
What is THE BOX FILLED WITH FEATHERS?
400
These are forces that can act on objects without touching them
What is MAGNETISM & GRAVITY?
400
This describes a change in direction caused by a force
What is A BALL ROLLING WEST TURNS EAST?
400
Two students push boxes with the same mass for 10 seconds. Which student moved her box a greater distance?
What is THE STUDENT WHO PUSHED WITH MORE FORCE?
400
Look at the picture. What could be a reason why the friction between the boots and the floor is greater than the friction between the slippers and the floor?
What is THE BOOTS ARE HEAVIER THAN THE SLIPPERS?
400
A student is using the north pole of a magnet to test for attraction. What will be attracted to the magnet?
What is THE SOUTH POLE OF ANOTHER MAGNET?
500
How do electricity and magnetism act on different objects?
What is THEY CAN EITHER PUSH OR PULL OBJECTS?
500
You are riding in a car that has a speed of 50 km per hour. You look out the window and see another car driving on the road that appears to be standing still. From your point of reference, how would you explain this?
What is THE SPEED AND DIRECTION OF THE OTHER CAR ARE THE SAME AS YOURS?
500
Two balanced forces act on an object. What most likely happens to the object?
What is ITS MOTION DOES NOT CHANGE?
500
George pushed a heavy box across the floor. He pushed gently for 10 seconds and the box moved slowly. Then he pushed hard for 5 seconds, and the box moved fast. He rested for 10 seconds, and then pushed gently for 5 seconds. Which graph shows how the box moved? (Look at picture)
What is D (THE LAST GRAPH)?
500
You are trying to move a heavy box. How can you reduce friction when pushing the box?
What is PUT LUBRICANT ON THE FLOOR?
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