Force and Motion 1
What are two examples of forces?
Art and Music
A push or pull
A stand or ground
The dark side and the light side
A push or pull
The force that pulls a ball back to earth
What is gravity?
in front of, behind, left, right, beside are examples of these
What are position words?
Which situation best describes overcoming the force of gravity?
A. Sitting in a chair.
B. Jumping up and down.
C. Standing next to your friends.
D. Eating lunch.
B. Jumping up and down.
A noncontact force that attracts objects with iron
What is magnetism
Which word means a change in position?
Speed
Motion
Direction
Force
Motion
Throwing a football in the air is an example of this
What is overcoming gravity?
The force that acts directly against the direction of motion.
What is friction?
Pushes and pulls are examples of...
forces
stretches
twists
kicks
What is forces?
Magnets have this around them causing them to work
What is magnetic field?
Is kicking a soccer ball a push or a pull?
push
pull
push
When an object changes its path of motion, it changes _____________.
What is direction?
True or False: Gravity is a force that pulls objects down to Earth.
What is true?
A golf ball rolls down a hill on the golf course. Which statement best describes how friction affects the motion of the golf ball?
A. Friction causes the golf ball to roll forwards and backwards.
B. Friction decreases how has the ball rolls.
C. Friction increases how fast the ball rolls.
D. Friction causes the ball to bounce.
B. Friction decreases how has the ball rolls.
Magnetic poles with the same orientation will :
A. push
B. pull
What is push?
You want to move two boxes. Which sentence correctly describes the force needed to move the boxes?
More force is needed to move the lighter box.
More force is needed to move the heavy box.
More force is needed to move the heavy box.
Which object would require the most force to move?
a tennis ball
a baby
a car
a cell phone
What is a car?
A soccer ball is at rest on the ground. When a force is applied to it, it moves. If larger force is applied to it, how will the motion of the soccer ball change?
A. The ball will move less distance with less speed.
B. The ball will move farther with less speed.
C. The ball will move farther with more speed.
D. The ball will move less with more speed.
C. The ball will move farther with more speed.
An objects location or where it is
What is position?
Magnets with opposite orientation will:
A. push
B. pull
What is pull?
A car and semi are travelling down the road at the same speed. They both slow down with the same stopping force. Which statement best explains why the semi needs more distance than the car to stop.
A. The semi is longer.
B. The semi has larger wheels.
C. The semi has more mass.
D. The semi has less mass.
C. The semi has more mass.
the rate at which, or how fast an object changes position
What is speed?
constant and variable
What are the 2 types of speed?
Children are applying force to roll a ball down a ramp and measuring how fast the ball rolls. If the children want the ball to roll faster down the ramp, what should they do?
A. increase the force applied to the ball.
B. decrease the height of the ramp
C. decrease the angle of the ramp
D. increase the friction between the ball and the ramp
A. increase the force applied to the ball.
Three ways to explain an objects position
What are numbers, position words, and drawing a map?
What force moves an object away from you?
pull
push
gravity
Jedi force
What is push
A combined force that causes something to move.
What is unbalanced forces?
A combined force that does not cause movement.
What is a balanced force?
You want to move two boxes. Which sentence correctly describes the force needed to move the boxes?
More force is needed to move the lighter box.
More force is needed to move the heavy box.
More force is needed to move the heavy box.
An object's weight depends on this
What is mass (amount of matter)?