Vectors, Vectors, Everywhere!

Two 20.-newton forces act concurrently on an object. What angle between these forces will produce a resultant force with the greatest magnitude?

• 0º

• 45º

• 90.º

• 180.º

The map below shows the route traveled by a school bus. What is the magnitude of the total displacement of the school bus from the start to the end of its trip?

• 400 m

• 500 m

• 800 m

• 1,800 m

A displacement vector with a magnitude of 20. meters could have perpendicular components with magnitudes of

• 10. m and 10. m

• 12 m and 8.0 m

• 12 m and 16 m

• 16 m and 8.0 m

A box weighing 46 newtons rests on an incline that makes an angle of 25° with the horizontal. What is the magnitude of the component of the box's weight perpendicular to the incline?

• 19 N

• 21 N

• 42 N

• 46 N

Which combination of initial horizontal velocity, (Vh) and initial vertical velocity, (Vv) results in the greatest horizontal range for a projectile over level ground? [Neglect friction.]

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An 8.0-newton block is accelerating down a frictionless ramp inclined at 15° to the horizontal, as shown in the diagram below.

• 0 N

• 2.1 N

• 7.7 N

• 8.0 N

A child pulls a wagon at a constant velocity along a level sidewalk. The child does this by applying a 22-newton force to the wagon handle, which is inclined at 35° to the sidewalk as shown below.

• 11 N

• 13 N

• 18 N

• 22 N

The vector diagram below represents the horizontal component, FH, and the vertical component, FV, of a 24-newton force acting at 35° above the horizontal.

• FH = 3.5 N and FV = 4.9 N

• FH = 4.9 N and FV = 3.5 N

• FH = 14 N and FV = 20. N

• FH = 20. N and FV = 14 N

The diagram below represents a force vector, A and resultant vector, R.Which force vector B below could be added to force vector A to produce resultant vector, R.

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Tags

NGSS.HS-PS2-1

In a drill during basketball practice, a player runs the length of the 30.-meter court and back. The player does this three times in 60. seconds.

The magnitude of the player's total displacement after running the drill is

• 0.0 m

• 30 m

• 60 m

• 180 m