Net Force in One and Two Dimensions (HSC SSCE Physics): Quizzes

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Net Force in One and Two Dimensions
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What is the net force on an object?

The vector sum of all individual forces

Two forces of 4.04.0 N and 3.03.0 N act on a block in the same direction. What is the net force?

7.07.0 N

A 4.04.0 N force acts right and a 3.03.0 N force acts left on a block. What is the net force?

1.01.0 N to the right

Two perpendicular forces of 3.03.0 N and 4.04.0 N act on a block. What is the net force magnitude?

5.05.0 N

To find the direction angle of net force from components, which formula is used?

tan⁡θ=FyFx\tan \theta = \frac{F_y}{F_x}

What is the horizontal component of a 3030 N force at 60°60° to the horizontal?

1515 N

What is the vertical component of a 3030 N force at 60°60° to the horizontal?

2626 N

According to Newton's third law, if object A exerts force on B, what does B exert on A?

Equal and opposite force

What should NOT be included on a force diagram for an object?

Forces exerted by the object on others

Why can't both forces of a Newton's third law pair appear on the same force diagram?

They act on different objects

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