U5: Review, Inquiry, Inquiry, Embedded Math, FBD Drawing 1&2

Front

What is the force of Weight (W) acting on an object near the Earth?

Back

The force of Weight (W) is the gravitational force acting on an object, which is always present if the object is near the Earth.

Front

What direction does the weight of an object act?

Back

The weight of an object always acts downward, towards the center of the Earth.

Front

What is the formula to calculate the total flight time of a projectile?

Back

The total flight time (T) of a projectile can be calculated using the formula T = (2 * V * sin(θ)) / g, where V is the initial velocity, θ is the launch angle, and g is the acceleration due to gravity.

Front

When does a load experience the force of Tension (T) in a cable?

Back

A load experiences the force of Tension (T) only when the cable is tight.

Front

How do you convert pounds to Newtons?

Back

To convert pounds to Newtons, multiply the weight in pounds by 4.45 N/lb.

Front

What is the acceleration due to gravity (g) near the Earth's surface?

Back

The acceleration due to gravity (g) near the Earth's surface is approximately 9.81 m/s².

Front

What is the relationship between mass (m) and weight (W)?

Back

Weight (W) is the product of mass (m) and the acceleration due to gravity (g), expressed as W = m * g.

Front

What factors affect the flight time of a projectile?

Back

The flight time of a projectile is affected by its initial speed, launch angle, and the acceleration due to gravity.

Front

What is drag, and how does it affect projectile motion?

Back

Drag is the resistance force acting opposite to the direction of motion, which can reduce the range and flight time of a projectile.

Front

What is the significance of neglecting drag in projectile motion problems?

Back

Neglecting drag simplifies calculations by assuming that the only forces acting on the projectile are weight and tension, allowing for easier analysis of motion.