# cameroon gce A level mechanical design 1

### cameroon gce A level mechanical design 1

cameroon gce A level mechanical design 1

1. In mechanics, which of the following is a scalar?

A Force
B mass
C Weight
D Torque
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2. In calculating the frictional force, if the normal force is doubled, then the coefficient of friction is:

A Double
B Not changed
C Halved
D Triple
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3. In a uniformly varied motion, the displacement, velocity and acceleration of a particle are all:

A vector quantities
B vector quantities except displacement
C vector quantities except velocity
D vector quantities except acceleration
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4. The kinetic energy due to rotation is equal to:

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5. In the theorem of mutual action, action-reaction forces are :

A Equal in magnitude and point in the same direction
B Equal in magnitude and point in opposite directions
C unequal in magnitude and point in the same direction
D unequal in magnitude and point in opposite directions
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6. A cyclist moves at a constant speed of 4m/s. How long it will take for the cyclist to moves 36m?

A 3s
B 12s
C 9s
D 6s
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7. Consider two vectors and . If , then the two vectors are:

A Collinear
B Perpendicular
C Parallel
D Concurrent
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8. The equations of the fundamental principle of statics are stated as:

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9. A force F1 = 100 N is applied on a spanner as shown below.

The moment of the force at point O is given by the formula:

A 100sin150 x 250
B 100cos150 x 250
C 100tan150 x 250
D 100 x 250
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10. A vector is defined by:

A Three characteristics
B Two characteristics
C Four characteristics
D Only one characteristic
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11. If a body moves vertically downwards, its acceleration is

A Equal to +g
B Equal to -g
C Greater than g
D Less than g
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12. The unit of the moment of inertia is:

A Kg. m
B Kg/m2
C Kg .m2
D Kg .m4