When velocity increases, acceleration is:
Zero
Negative
Positive
Constant
Work is a:
Scalar quantity
Vector quantity
Force
The load a machine can lift is called:
Effort
Load
Input
What is acceleration due to gravity?
10 m/s²
9.8 m/s²
1 m/s²
100 m/s²
1 Joule is equal to:
1 N/m
1 N·m
1 W/s
1 kg·m
The formula for Brake Horse Power (BHP):
IHP – FHP
IHP + FHP
Torque / Speed
Power × Time
A car at rest has:
Maximum speed
Zero speed
Constant velocity
High power
Work done by friction is:
Work is said to be done when:
Force is applied
Displacement occurs
Object is heavy
Object is stationary
Power is a measure of:
Energy capacity
Work done per unit time
Motion
Mass
When a body is thrown up, its kinetic energy:
Increases
Decreases
Specific gravity is numerically equal to:
Volume
Density ratio
Pressure
Which of these is a scalar quantity?
Acceleration
Speed
Displacement
Energy can neither be created nor destroyed. This is:
Law of motion
Law of force
Law of conservation of energy
Newton’s law
1 HP is approximately equal to:
1000 W
746 W
500 W
1 kW
When potential energy is maximum, kinetic energy is:
Maximum
Minimum
If a machine has MA = VR, then efficiency is:
50%
100%
0%
Cannot be determined
Rest means:
No force
No displacement
Kinetic energy
The ratio of output work to input work:
Mechanical Advantage
Velocity Ratio
Efficiency
Power
Motion in a straight line is called:
Circular motion
Oscillatory motion
Rectilinear motion
Rotational motion
Which term refers to energy of motion?
Potential energy
Electric energy
Heat energy
An object has maximum kinetic energy when:
At top point
While falling
At rest
At lowest point
The total energy (PE + KE) of a body is:
Increasing
Decreasing
Acceleration is the rate of change of:
Velocity
The SI unit of velocity is:
m/s
m/s²
km/hr
kg·m/s
