 # How Does Acceleration Due To Gravity Affect A Pendulum?

## How can you use a pendulum to determine the acceleration due to gravity?

Calculate the time of one oscillation or the period (T) by dividing the total time by the number of oscillations you counted.

Use your calculated (T) along with the exact length of the pendulum (L) in the above formula to find “g.” This is your measured value for “g.”.

## Is acceleration constant in a pendulum?

In particular, the acceleration is not constant. The tangential position (measured from the low point of the swing) changes, up to a maximum, the amplitude of the motion.

## Where is acceleration greatest in a pendulum?

At the highest point of its motion, kinetic energy is minimum (i.e. zero) and potential energy is maximum. The acceleration is a maximum at the end points of the swing, and a minimum (zero) in the middle, at the lowest point.

## What is the restoring force of a pendulum?

As for the simple pendulum, the restoring force of the physical pendulum is the force of gravity. With the simple pendulum, the force of gravity acts on the center of the pendulum bob. … The force of gravity acts on the center of mass (CM) and provides the restoring force that causes the object to oscillate.

## Why acceleration is maximum when velocity is zero?

Acceleration is the rate of change of velocity. If you are accelerating,that means every second your velocity is changing. … So once you have reached your maximum velocity, that means your velocity can’t get any higher. So, your acceleration must be zero.

## What affects the swing rate of a pendulum?

The forces of gravity, the mass of the pendulum, length of the arm, friction and air resistance all affect the swing rate.

## How do you calculate the force of a pendulum?

This force is a function of the earth’s constant acceleration due to gravity, the pendulum bob’s mass and the angle between the pendulum and the vertical. Specifically, the force equals the mass times gravity times the sine of that angle – (F = mg sinθ).

## What is the acceleration of a pendulum?

A mass m suspended by a wire of length L is a simple pendulum and undergoes simple harmonic motion for amplitudes less than about 15º. The period of a simple pendulum is T=2π√Lg T = 2 π L g , where L is the length of the string and g is the acceleration due to gravity.

## How does gravity affect a pendulum?

Force of gravity-This accelerates the pendulum down. The momentum built up by the acceleration of gravity causes the mass to swing in the opposite direction to a height equal to the original position.)

## Why acceleration is maximum at extreme position?

When the displacement is maximum, the acceleration is maximum, because the spring applies maximum force; the force applied by the spring is in the opposite direction as the displacement. The acceleration is given by: Note that the equation for acceleration is similar to the equation for displacement.

## Does tension do work on a pendulum?

One force is gravity. The force of gravity acts in a downward direction and does work upon the pendulum bob. … Thus, the force of tension does not do work upon the bob. Since there are no external forces doing work, the total mechanical energy of the pendulum bob is conserved.