Chapter 2: Linear Motion MCQ

• A

• B

• C

• D

When an object is launched from a point S, it follows a parabolic path. If the highest point it can reach is T, the horizontal component of the velocity is

• zero at T

• maximum at T

• same at T and S

• less than that at S

An archer practicing with an arrow bow shoots an arrow straight up two times, the first time the initial speed is v_o and second time he increases the initial speed to 4v_o, how would you compare the maximum height in the second trial to that in the first trial?

• Two times greater

• Four times greater

• Eight times greater

• Sixteen times greater

• A

• B

• C

• D

Which statement below is true for an object moving in a projectile motion with initial velocity, u and angle, θ.

• The horizontal component of velocity is zero at the highest point of its flight.

• The horizontal component of velocity is u at the highest point of its flight.

• The vertical component of velocity is zero at the highest point of its flight

• The horizontal component of acceleration is 9.81 ms^-2

Change in speed over a given period of time is

• velocity
• motion
• speed
• acceleration

On a distance vs. time graph, the steeper the slope _____

• the slower the speed
• the faster the speed
• less acceleration
• greater acceleration

Tags

NGSS.MS-PS3-1