Question

What is a force?

• What is the equation for speed?


• What would a distance vs. time graph of constant speed look like?

• What would a distance vs. time graph of acceleration look like?


• What is the equation for calculating force?

• What is the effect of speed in a collision between two objects?


• What is the effect of mass in a collision between two objects?

• State the Law of Conservation of Energy.


• State Newton’s 3 Laws of Motion in your own words.

• What is a balanced force? What effect do balanced forces have on the motion of an object?


• What is an unbalanced force? What effect do unbalanced forces have on the motion of an object?

• What is gravity? What two factors influence the force of gravity between two objects?


• Compare and contrast weight and mass.

• What is friction? What effect does friction have on moving objects?


• What factor influence the amount of friction created between two objects?

• Why does an object continue to accelerate as it falls to the Earth?


• What is an orbit? What would happen if the space stations slowed its forward motion as it orbited the Earth?

• What is breaking distance? What factors influence the breaking distance of a car?


• What are net forces?

Answer 1

Answer:

Fprce is an extranal agency which changes or tends to change the state of rest or uniform motion in a straight line ......

The force with which earth pulls every objects towards its centre is called gravity ..