Grade 11 Physics Exam Multiple Choice
Exam Questions And Actual Answers.
An object moving at a constant velocity must
a) have a net force acting on it
b) not have any force of gravity acting on it
c) have all forces that act on it balancing each other
d) eventually stop due to the force of gravity
e) have no force of friction acting on it - Answer c) have all forces that act on it balancing each
other
Which of the following fundamental forces is the weakest?
a) gravitational
b) electromagnetic
c) weak nuclear
d) strong nuclear
e) they are equally strong - Answer a) gravitational
Which of the following fundamental forces only exerts forces of attraction, never repulsion?
a) gravitational
b) electromagnetic
c) weak nuclear
d) strong nuclear
e) gravitational and electromagnetic - Answer a) gravitational
Which of the following observations would be adequately explained by newtons third law?
a) when turning a corner, a passenger in a car feels pushed against the door
b) one skater pushes against another and both move off in opposite directions
c) the Earth is held in orbit around the Sun by a gravitational force of attraction
d) the friction of a surface causes a sliding object to come to rest
e) a car's tires slip on an ice covered surface - Answer b) one skater pushes against another
, a) the string on the lead
b) the lead on the string
c) the hand on the string
d) the string on the hand
e) the lead on the Earth - Answer e) the lead on the Earth
The acceleration of a moving object is always in the direction
a) of the initial velocity
b) of the final velocity
c) of the net force
d) of the frictional force
e) opposite to the frictional force - Answer c) of the net force
Which of the following is NOT an example of "inertia"?
a) a person's head jerks back as the car he is riding in accelerates forward
b) a person's head jerks forward as the car he is riding in suddenly stops
c) a person is pressed up against the car door as the car turns a corner
d) a person is largely unaware of a car's motion when his eyes are closed
e) all of the above are examples of inertia - Answer e) all of the above are examples of inertia
Which of the following situations best illustrates Newton's Third Law of Motion
a) you kick a ball; the ball accelerates away from you
b) your car hits a pole; you fly through the windshield
c) superman pushes against a speeding train; the train grinds to a halt
d) you fire a rifle; the rifle kicks back against your shoulder
e) a rock in Antarctica sits on the ground motionless for millions of years - Answer d) you fire a
rifle; the rifle kicks back against your shoulder
Which of the following is NOT considered to be one of the "fundamental forces"?
a) gravity
b) friction
Exam Questions And Actual Answers.
An object moving at a constant velocity must
a) have a net force acting on it
b) not have any force of gravity acting on it
c) have all forces that act on it balancing each other
d) eventually stop due to the force of gravity
e) have no force of friction acting on it - Answer c) have all forces that act on it balancing each
other
Which of the following fundamental forces is the weakest?
a) gravitational
b) electromagnetic
c) weak nuclear
d) strong nuclear
e) they are equally strong - Answer a) gravitational
Which of the following fundamental forces only exerts forces of attraction, never repulsion?
a) gravitational
b) electromagnetic
c) weak nuclear
d) strong nuclear
e) gravitational and electromagnetic - Answer a) gravitational
Which of the following observations would be adequately explained by newtons third law?
a) when turning a corner, a passenger in a car feels pushed against the door
b) one skater pushes against another and both move off in opposite directions
c) the Earth is held in orbit around the Sun by a gravitational force of attraction
d) the friction of a surface causes a sliding object to come to rest
e) a car's tires slip on an ice covered surface - Answer b) one skater pushes against another
, a) the string on the lead
b) the lead on the string
c) the hand on the string
d) the string on the hand
e) the lead on the Earth - Answer e) the lead on the Earth
The acceleration of a moving object is always in the direction
a) of the initial velocity
b) of the final velocity
c) of the net force
d) of the frictional force
e) opposite to the frictional force - Answer c) of the net force
Which of the following is NOT an example of "inertia"?
a) a person's head jerks back as the car he is riding in accelerates forward
b) a person's head jerks forward as the car he is riding in suddenly stops
c) a person is pressed up against the car door as the car turns a corner
d) a person is largely unaware of a car's motion when his eyes are closed
e) all of the above are examples of inertia - Answer e) all of the above are examples of inertia
Which of the following situations best illustrates Newton's Third Law of Motion
a) you kick a ball; the ball accelerates away from you
b) your car hits a pole; you fly through the windshield
c) superman pushes against a speeding train; the train grinds to a halt
d) you fire a rifle; the rifle kicks back against your shoulder
e) a rock in Antarctica sits on the ground motionless for millions of years - Answer d) you fire a
rifle; the rifle kicks back against your shoulder
Which of the following is NOT considered to be one of the "fundamental forces"?
a) gravity
b) friction
