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Physics Multiple Choice Questions and answers verified to pass

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Physics Multiple Choice Questions and answers verified to pass Physics Multiple Choice Questions When you drop a ball, it accelerates downward at 9.8 m/s². If instead you throw it horizontally, then its acceleration immediately after leaving your hand, assuming no air resistance, is a. 9.8 m...

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  • October 19, 2024
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Physics Multiple Choice Questions
When you drop a ball, it accelerates downward at 9.8 m/s². If instead you
throw it horizontally, then its acceleration immediately after leaving your hand,
assuming no air resistance, is
a. 9.8 m/s²
b. more than 9.8 m/s²
c. less than 9.8 m/s²
d. Cannot say, unless the speed of throw is given - correct answer ✔A


How many vectors shown in the figure (refer ch. 3 test pt. 1, #2) have nonzero
horizontal components?
a. 2
b. 3
c. 4
d. 5 - correct answer ✔C


Which vectors shown in the figure (refer ch. 3 test pt. 1, #3) have vertical
components that are equal?
a. d₁ and d₂
b. d₁ and d₃
c. d₂ and d₅
d. d₄ and d₅ - correct answer ✔B


Which of the curves on the graph (refer ch. 3 test pt. 1, #4) best represents
the vertical component vy of the velocity versus time t for a projectile fired at
an angle 45° above the horizontal?
a. OC

,b. DE
c. AB
d. AE
e. AF - correct answer ✔D


Which of the curves on the graph best represents the horizontal component vx
of the velocity versus time t for a projectile fired at an angle 45° above the
horizontal?
a. OC
b. DE
c. AB
d. AE
e. AF - correct answer ✔C


A 2-kg mass and a 4-kg mass on a horizontal frictionless surface are
connected by string A having negligible mass. The 2-kg mass is on the right,
and is pulled horizontally to the right by a second string B (also having
negligible mass), resulting in a constant acceleration of 12 m/s².


What is the magnitude of the tension in string B on the 2-kg mass?
a. 72 N
b. 48 N
c. 24 N
d. 6 N
e. 3 N - correct answer ✔A


A 2-kg mass and a 4-kg mass on a horizontal frictionless surface are
connected by string A having negligible mass. The 2-kg mass is on the right,

, and is pulled horizontally to the right by a second string B (also having
negligible mass), resulting in a constant acceleration of 12 m/s².


What is the magnitude of the tension in string A on the 4-kg mass?
a. 72 N
b. 48 N
c. 24 N
d. 6 N
e. 3 N - correct answer ✔B


A 2-kg mass and a 4-kg mass on a horizontal frictionless surface are
connected by string A having negligible mass. The 2-kg mass is on the right,
and is pulled horizontally to the right by a second string B (also having
negligible mass), resulting in a constant acceleration of 12 m/s².


What is the magnitude of the net force on the 2-kg mass?
a. 72 N
b. 48 N
c. 24 N
d. 6 N
e. 3 N - correct answer ✔C


The coefficient of kinetic friction:
a. is in the direction of the frictional force
b. is in the direction of the normal force
c. is the ratio of force to area
d. can have units of Newtons

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