Force and Motion 1
Force and Motion 2
Force and Motion 3
Force and Motion 4
Force and Motion 5
100
What is a PUSH or PULL of an object?
Motion
Force
Friction
Gravity
Force
100
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
100
What pulls a ball back to earth?
Gas
Gravity
Friction
Molecules
Gravity
100
Friction is greater when the two surfaces are ________________.
rough
100
What force moves an object away from you?
pull
push
gravity
Jedi force
push
200
If these boys are pulling with the same amount of force. What will happen?
The boy in blue will win.
They will not move at all.
The boy in red will win.
Both will fall down.
They will not move at all.
200
Which word means a change in position?
Speed
Motion
Direction
Force
Motion
200
Which material should be used on a bicycle ramp to increase friction?
shiny metal
rough paper
smooth wood
rough paper
200
The force that acts directly against the direction of motion.
friction
200
Pushes and pulls are examples of...
forces
stretches
twists
kicks
forces
300
Which of the following statements are true?
Balanced forces cause a change in motion.
Unbalanced forces cause a change in motion.
Forces do not effect the change in motion.
Unbalanced forces cause a change in motion.
300
Is kicking a soccer ball a push or a pull?
push
pull
push
300
When an object changes its path of motion, it changes _____________.
speed
force
direction
direction
300
how do we measure force?
Force is meters/second
300
What describes how fast an object is moving?
Speed
400
What is a push or pull exerted on an object in order to change the objects position.
What is Force?
400
Which of type of energy is created by friction?
heat
400
Which object would require the most force to move?
a tennis ball
a baby
a car
a cell phone
car
400
Which surface would be easier to roller-skate on?
The blacktop or the inside of the classroom.
The classroom because the floor will have less friction
400
The force that opposes the motion of an object?
friction
500
Is gravity a push or a pull?
push
pull
neither
both
pull
500
F= m x a
What is Newton's 2nd law?
500
A change in a moving object's speed or direction is...
acceleration
500
Objects in motion tend to stay in motion and objects at rest remain at rest unless......
Unless acted on by a force
500
What does Newton's 3rd Law state?
For every action, there is an equal and opposite reaction.
600
What is SI unit of Force?
Newton (N)
600
More the weight, __________ the friction force.
Greater
600
Combined forces that act upon an object is ?
Net force
600
What is described as an object's direction and speed?
motion
600
Acceleration is measured in what units?
acceleration = meters/second2