Force and Motion 1
Force and Motion 2
Force and Motion 3
Force and Motion 4
100
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.
What is they will not move at all?
100
What pulls a ball back to earth?
Gas
Gravity
Friction
Molecules
Gravity
100
What describes how fast an object is moving?
Speed
100
Unit of measurement when measuring force
What are newtons?
200
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.
200
The creator of the Laws of Motion?
Issac Newton
200
The force of gravity on the surface of Mercury is much less than on Earth. A rock has a weight of 100
newtons on Earth. What do you know about the weight of the rock on Mercury?
A. The rock will weigh exactly 100 Newtons.
B. The rock will weigh more than 100 Newtons.
C. The rock will weigh less than 100 Newtons.
D. There is not enough information to know if the rock weighs the same, more, or less on Mercury.
C. The rock will weigh less than 100 Newtons.
200
The force that acts directly against the direction of motion.
What is friction?
300
D. A 10 N force applied to a stationary wall.
300
3. Suppose a rollerblade racer finished a 140 meter race in 20 seconds. What is the average speed of the
racer?
7 m/s
Speed= 140m/20s
300
Which object would require the most force to move?
a tennis ball
a baby
a car
a cell phone
car
300
Which surface would be easier to roller-skate on?
The football field or the inside of the classroom.
The classroom because the floor will have less friction.
400
What is a push or pull exerted on an object in order to change the objects position.
What is Force?
400
A change in a moving objects speed or direction is...
What is acceleration?
400
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
400
Forces that cause an object to move are called _________ forces.
What are unbalanced forces?
500
Which statement best explains why the person and the raft moved in opposite directions?
A. Second law of motion
B. Action and reaction forces
C. Person wanted the raft to move
D. Force is the product of mass and acceleration
B. Action and reaction forces
500
Objects in motion tend to stay in motion and objects at rest remain at rest unless......
Unless acted on by a force,
500
18. Select the description that describes the movement of the vase.
A. The vase will move up.
B. The vase will move to the right.
C. The vase will not move.
D. The vase will move down.
C. The vase will not move
500
Sara and Sam went for a two hour drive. According to the graph, between 0.75 hours and 1.25 hours,
they -
A. Slowed down to a speed of 15 km/hr.
B. Travelled at a constant speed of 30 km/hr.
C. Were not moving since there was no change in position.
D. Turned around to go home but their speed remained constant.
C. Were not moving since there was no change in position