Force
Acceleration
Speed
Net Force
Miscellaneous
100
A push or a pull
Force
100
What is a change in speed in a certain amount of time?
Acceleration
100
How is speed calculated? (What is the equation for speed?)
speed = distance / time
100
Which direction will the rope move?
To the left
100
What is the difference between mass and weight?
Mass is how much matter/stuff is in something, weight is how much gravity pulls down on something
200
What force keeps us on the ground?
Gravity
200
What type of friction is used when the brakes of a car is stepped on?
Sliding friciton
200
Car #1
200
Ms Sinclair pushes against a large box with a force of 15N. The box doesn't move. What is the amount of force exerted on the box by Ms Sinclair?
15N
200
What is the force that opposes the motion of touching surfaces?
Friction
300
What tool is used to measure force?
Spring scale
300
How did releasing the cart from a lower place on the ramp affect how far it moved the block?
The block did not move as far (less acceleration)
300
What is the speed for the first 30 minutes of the trip?
0.13 km/min
300
If Ms Sinclair pushes on a box with a force of 20N and Ms Baranja pushes on the same box with a force of 15N, what is the net force pushing the box?
35N
300
What kind of friction is shown in the picture?
Sliding friction
400
How did increasing the mass of a cart affect how it hit a wooden block?
The cart hit the block with more force.
400
Which graph shows acceleration?
Graph B
400
The speed at a specific moment
Instantaneous speed
400
If Ms Sinclair pushes on a box with a force of 20N and Ms Baranja pushes on the other side of the box with a force of 15N what is the net force on the box?
5N
400
What kind of friction is shown in the picture?
Rolling friction
500
What will happen to the force exerted on the pins if a heavier bowling ball was used?
The force on the pins will increase
500
What will happen to the force exerted on the pins if the ball is rolled faster?
The force on the pins will increase
500
What is constant speed?
Speed that does not get faster or slower.
500
If Ms Sinclair pushes on a box with a force of 20N and Ms Baranja pushes on the other side of the box with a force of 20N describe what will happen to the box.
Nothing, the box will not move.
500
What type of friction is shown in the picture?
Fluid Friction