Forces Gravity Net Forces Free Body Diagrams

Misc.

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Forces and Motion

FINAL JEOPARDY

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Forces: 200

Question:

The box that is demonstrating static equilibrium.

Box A: V=0m/s Box B: V=2m/s

Answer:

What is Box A?

10N10N 10N10N

Forces : 400

Question:

This is required to change the motion of an object.

Answer:

What is an unbalanced force?

Forces : 600

Question:

The unit used to measure force is this.

Answer:

What is Newton?

Forces : 800

Question:

Balanced forces affect the motion of an object in this way.

Answer:

What is no acceleration occurs (no change in motion)?

Forces : 1000

Question:

The forces that act on a block resting on a tabletop.

Answer:

What are normal force (Fn) and gravitational force (Fg)?

Gravity: 200

Question:

This force causes objects to move in a circle.

Answer:

What is centripetal force?

Gravity : 400

Question:

Acceleration due to gravity has this rate.

Answer:

What is 9.8 m/s2?

Gravity : 600

Question:

When gravity is the only force acting on an object it is doing this.

Answer:

What is free falling.

Gravity : 800

Question:

This law states that all objects have a gravitational force and exert them on other objects.

Answer:

What is The Law of Universal Gravitation?

Gravity : 1000

Question:

This is the gravitational force between the Earth (mass 5.9742 x1024 kg) and the Moon (mass 7.36 x1022 kg) when the distance between their centers is 3.84 x108 m.

Answer:

What is 1.99 x1020 N

Net Forces: 200

Question:

When two forces are equal and oppose each other while pulling on an object, this is the net force.

Answer:

What is zero?

Net Forces : 400

Question:

If a chair is pushed west with a force of 2000N and friction opposes it with a force of 150N, this is the net force.

Answer:

What is 1850 N west?

Net Forces : 600

Question:

When calculating net force, this should be done with all forces acting in the same direction.

Answer:

What is add them together

Net Forces : 800

Question:

If friction has a force of 1 N, this is the net force acting on the block below.

Answer:

What is 27 N left.

20 N 8 N

Net Forces : 1000

Question:

This is the direction of the net force of the block in the diagram.

Answer:

What is diagional up and

right?

Fa

Fa

Free Body Diagrams: 200

Question:

The forces acting on a block falling to the floor.

Answer:

What are Fg and Ff (air)?

Free Body Diagrams : 400

Question:

The object in the diagram is doing this.

Answer:

What is accelerating?

Fa Fa

Ff

Free Body Diagrams : 600

Question:

Draw a free body diagram of a block sitting on a table.

Answer:

What is

FgFn

Free Body Diagrams : 800

Question:

This is the net force of the object in the diagram.

Answer:

What is 9 N right.

5 N1 N

15 N

4 N4 N

Free Body Diagrams : 1000Question:

This is a list of all the forces acting on the object in the diagram.

Answer:

What are Faleft, Fa right, Ff, Fg, Fn,?

Miscellaneous: 200

Question:

This pair of objects has a greater gravitational force between them.

Answer:

What is pair A?

Pair A

Pair B

Miscellaneous: 400

Question:

If there is no air resistance and a marble and a steel ball are dropped from the same height, they will do this.

Answer:

What is hit the ground at the same time?

Miscellaneous: 600

Question:

If an object is in free fall (with no air resistance) for 4 seconds, this will be it’s velocity at the end of the 4 seconds.

Answer:

What is v=g*t

= 9.8 m/s2 * 4 s

= 39.2 m/s

Miscellaneous: 800

Question:

This force remains the same on a skydiver from the time they leave the plane until they touch the ground.

Answer:

What is gravity?

Miscellaneous: 1000

Question:

This is why moons stay in orbit around planets.

Answer:

What is the moons are free falling towards the planet while moving forward at the same time. This results in a curved path which is the same as the curve of the planet.

Final Jeopardy

Question:

This force opposes an applied force when an object slides across a surface.

Answer:

What is friction?

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Category: Forces

Unknown Question

Question:

Not sure why this slide is here.

Answer:

Unknown

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