41.
What is the relationship between speed, distance, and time?
A
Speed = Distance × Time
B
Speed = Distance / Time
C
Speed = Time / Distance
D
Speed = Time × Distance
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What is the relationship between speed, distance, and time?
Speed = Distance × Time
Speed = Distance / Time
Speed = Time / Distance
Speed = Time × Distance
If the displacement-time graph is a straight line, what can be said about the motion of the object?
The object is at rest
The object is in circular motion
The object is accelerating
The object is moving with uniform velocity
An object starts from rest and moves with a constant acceleration of 2 m/s². What is its velocity after 5 seconds?
10 m/s
2 m/s
20 m/s
5 m/s
What is the acceleration of an object in free fall near the surface of the Earth?
0 m/s²
9.8 m/s²
1 m/s²
10 m/s²
Which of the following is not a type of motion?
Circular motion
Rectilinear motion
Irregular motion
Rotational motion
Which of the following describes an object in uniform motion?
The object is accelerating
The object is at rest
The object is changing its direction
The object covers equal distances in equal intervals of time
What is the speed of sound in water?
1200 m/s
343 m/s
5000 m/s
1500 m/s
Sound waves are examples of what type of waves?
Electromagnetic waves
Surface waves
Longitudinal waves
Transverse waves
Which of the following represents the best example of energy conservation?
A battery being charged
A pendulum swinging back and forth
Water freezing into ice
A car accelerating on a highway
What is the power consumed by a 60-watt bulb in 2 hours?
120 Wh
60 Wh
120 W
720 W
What is the energy possessed by an object due to its position or configuration called?
Thermal energy
Potential energy
Radiant energy
Kinetic energy
If the displacement is zero, what is the work done by the force?
Infinite
Negative
Zero
Positive
Which of the following objects experiences gravitational force?
Only the Moon
Any object with mass
Only objects near the Earth's surface
Only Earth
What is the relationship between weight and mass?
Weight is independent of mass
Weight is inversely proportional to mass
Weight is proportional to mass
Weight is proportional to volume
Which of the following is true about gravitational force?
It is always attractive
It is a contact force
It depends on the color of the object
It is a non-contact force
What is the value of acceleration due to gravity on Earth?
10 m/s²
9.8 m/s
9.8 m/s²
9.8 N/kg
Which of the following is an example of an action and reaction pair according to Newton's Third Law of Motion?
A person pushing a wall
A ball falling to the ground
A car accelerating
A rocket lifting off
Which law explains why a person feels pushed back when a car suddenly accelerates?
Newton's Third Law
Newton's First Law
Newton's Second Law
Law of Universal Gravitation
Which law explains the relationship between force and motion?
Newton's First Law
Law of Universal Gravitation
Newton's Third Law
Newton's Second Law
Which of the following describes an object in motion?
It is moving with constant velocity
It is at rest
It is changing position over time
It is moving in a straight line