The formula for acceleration is:
a = v / t
a = s / t
a = m / v
a = F / A
Retardation is also called:
Negative acceleration
Constant motion
Circular motion
Uniform speed
The SI unit of energy is:
Watt
Newton
Joule
Pascal
Speed is a:
Scalar quantity
Vector quantity
Constant value
Directional force
The formula for force is:
F = m × a
F = m × v
F = a / m
F = v / t
Which of the following is not a basic unit?
Mass
Time
Velocity
Length
The product of mass and acceleration gives:
Power
Force
Work
Energy
Which formula represents density?
Density = Mass / Volume
Density = Volume / Mass
Density = Force / Area
Density = Energy / Time
SI unit of power is:
Volt
The unit for pressure is:
Ampere
Specific gravity has no unit because:
It is a product
It is a difference
It is a ratio
It is a vector
What happens to velocity when a body is at rest?
Increases
Constant
Zero
Decreases
The SI unit of speed is:
m/s
m/s²
m²/s
m³/s
What is the acceleration of a body falling freely?
Equal to gravity
Negative
Constant zero
Potential energy depends on:
Speed
Mass and height
Volume
Which one is not a form of energy?
Kinetic
Potential
Light
Distance
Kinetic energy depends on:
Mass and velocity
Volume and time
Pressure and height
Distance and energy
In a perfect machine, input is:
More than output
Equal to output
Less than output
A person climbing a hill gains:
Kinetic energy
Potential energy
Electrical energy
Sound energy
The total energy of an isolated system is:
Increasing
Decreasing
Variable
Acceleration is a:
Ratio
Rest means:
Zero velocity
Maximum energy
Negative force
No time
When a body moves with changing speed, it is in:
Rest
Uniform motion
Non-uniform motion
Efficiency formula is:
(Input / Output) × 100
(Output / Input) × 100
(Force × Distance)
(Energy × Power)
Unit of velocity:
m
kg
