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Physics Grade 11 Flashcards | StudBud
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Physics Grade 11
Physics Grade 11
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1
How does the force that the driver exerts on the seatbelt compare to the force that the seatbelt exerts on the driver?
C. Equal to and in the same direction
D. Equal and in the opposite direction
A. Greater than and in the same direction.
B Greater than and in the opposite direction.
2
Which ONE of the following statements concerning the weight and inertia of the body is TRUE?
C
B
A
D
3
Which ONE of the following vector diagrams, not drawn to scale,is the correct representation of the directions of X & Y?
B
C
D
A
4
Which ONE of the following statements is true for the motion of the car?
C The car is travelling at constant velocity
D. A net force acts on the car in the forward direction
A. The car speeds up uniformly.
B The car slows down uniformly.
5
This precaution is an application of which ONE of the following Physics laws?
D
A
C
B
6
Which ONE of the following is the CORRECT conclusion about the motion of the lift? The lift is:
Accelerating upwards
A.Moving downwards at constant velocity.
C. Moving upwards at constant velocity
B. Accelerating downwards.
7
The magnitude of the electrostatic force that sphere
R
exerts on sphere
S
is now:
F
2F
0
F/2
8
The net force acting on the +2 μC can be represented by …
B
C
D
A
9
The magnitude of the electric field at point P is given by:
C
D
A
B
10
Which of the following pairs of physical quantities are BOTH vectors?
D. Distance and electric
B. Acceleration and force
C. Force and mass
A. Displacement and speed
11
The new force, in terms of F, will now be ...
6F
F
9F
3F
12
Which one of the following concerning the ratio of the charge Q and R and the charge on R is correct?
C
D
B
A
13
What is the name of the force that acts perpendicular to a surface when an object is in contact with it?
D. Applied force
C. Normal force
Gravitational force
B.Frictional force
14
Which ONE of the vector diagrams below indicates the forces in equilibrium?
D
C
A
B
15
A man has a mass of 85 kg on Earth. What is their mass on a planet that has the same mass as Earth but only half the R?
21.25kg
350kg
42.5kg
85kg
16
Which ONE of the graphs below represents the correct relationship between force F on a charge and the electric field E?
B
C
A
D
17
Which of the following graphs best represents the relationship between F and r?
A
C
D
B
18
The force that the spheres exert on each other will now be …
D
A
B
C
19
When the object is brought close to the plate, the leaves diverge. We can therefore conclusde that the object....
D
A
B
C
20
Which ONE of the vectors is the resultant of the other three vectors?
Z
X
W
Y
21
What will be the gravitational acceleration at a height 3R above the planet’s surface?
A. g/16
g/g
9g
16g
22
The electrostatic force experienced by the -1 µC charge will …
B
D
C
A
