Force and motion

What is the force that pulls us towards the Earth?

• Gravity

• Tension

• Friction

• Air Resistance

Tags

NGSS.MS-PS2-4

What are balanced forces?

• Forces of the same size, in opposite directions

• Forces of the same size, in the same direction

Tags

NGSS.3-PS2-1

Two forces on an object are in the same direction. How do we calculate the resultant force?

• Take away one from the other

• Multiply them

• Divide one by the other

• Add them together

How will this object move?

• It won't move.

• It will move to the right.

• It will move to the left.

• It will move up.

What is the resultant force?

• 40 N, Left

• 0 N, Balanced

• 400 N, Right

• 40 N, Right

What is the resultant force?

• 5000 N, Right

• 4000 N, Right

• 40 N, Left

• 4000 N, Left

Tags

NGSS.HS-PS2-1

What is the name of force F2?

• Drag

• Thrust

• Buoyancy

• water resistance

Diagram shows a stationary trolley of mass 1.4 kg on an inclined plane.

What is the magnitude of the force, F ?

• 7.0 N

• 12.7 N

• 16.2 N

• 28.0 N

Diagram shows a man is pulling a sledge with a rope.

Which of the following will move the sledge forward with the maximum acceleration?

• Small angle , Small force

• Small angle , Big force

• Big angle , Small force

• Big angle , Big force

Which of the following produces the largest acceleration when forces are applied on a block?

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