Physics Laws Quiz

An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.

For every action, there is an equal and opposite reaction.

The tendency of an object to resist a change in its state of motion.

The rate at which an object's velocity changes.

The force of gravity between the planet and the star it orbits keeps the planet in a circular or elliptical path.

An object with less mass will have greater acceleration when the same force is applied.

Inertia is the tendency of an object to resist changes in its motion. An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an unbalanced force.

Uniform motion is movement with a constant velocity, meaning both speed and direction remain the same.

Negative acceleration happens when an object's final velocity is less than its initial velocity. This means it's slowing down.

The rate at which an object moves, calculated as distance traveled divided by time taken.

The motion of an object under the influence of gravity only, neglecting air resistance.

The constant acceleration experienced by objects falling freely near the Earth's surface, approximately 9.8 m/s².

To find the distance traveled, multiply the average speed by the time taken. Formula: Distance = Speed x Time

Acceleration is the rate of change of velocity over time. It measures how quickly an object's velocity changes, whether it's speeding up, slowing down, or changing direction.

Projectile motion is the curved path an object follows when launched into the air. It's affected by gravity, causing the object to follow a parabolic shape.

The trajectory is the specific path a projectile follows during its motion. It's a curved line representing the object's movement in the air.

The maximum height reached by a projectile is the highest point it attains during its flight. It's determined by its initial vertical velocity and the effect of gravity.

Tangential speed is the linear speed of an object moving along a circular path. It's the speed at which the object is moving along the circumference of the circle.

The rate at which an object rotates or revolves around a fixed axis, measured in radians per second.

The force that acts towards the center of a circular path, keeping an object moving in a circle.

The time it takes for an object to complete one full cycle of rotation or revolution.

The number of cycles of rotation or revolution completed in one second.

The period of a pendulum is affected by both the length of the pendulum and the acceleration due to gravity.

A type of periodic motion where the restoring force is proportional to the displacement from equilibrium.

The period of a simple harmonic oscillator is independent of its amplitude.

An object at rest stays at rest, and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

In simple harmonic motion, the object's maximum velocity occurs when its displacement from the equilibrium position is minimum.

It is NOT true that a force is needed to maintain motion. Once an object is in motion, it continues moving at a constant speed and direction unless acted upon by an unbalanced force.

Faster paddling in a bicycle is a real-world example of Newton's Second Law. Increasing the force applied (paddling faster) increases the acceleration (bicycle speeding up).

Planets continue moving around the Sun in their orbits due to inertia. In the absence of any force, they would continue in a straight line, but gravity keeps them in a circular or elliptical path.