Physics

Who is the physicist that proposed the three laws of motion?

• Gregor Mendel

• Isaac Newton

• Alfred Wegener

• Harry Hess

All the objects accelerate downward at the same rate of gravity. What is the net force acting on the objects?

•  $\ \ 8.5\ \frac{m}{\ s^2}$ 

•  $\ 9.8\ \frac{m}{s^2}$   

•  $\ 2.5\ \frac{m}{s^2}$  

•  $\ 3.0\ \frac{m}{s^2}$  

A force supplied in a string is called?

• Tension Force

• Friction Force

• Normal Force

• Gravitational Force

It causes the object's motion

• Motion

• Inertia

• Force

• Energy

It is the result of force applied on the object

• Force

• Inertia

• Energy

• Motion

Given the following masses:

Box 1: 20 kg

Box 2: 25 kg

Which of the following that has a greater inertia?

• Box 1

• Box 2

• Both boxes 1 and 2

• None of the boxes

What is the unit measure of force?

• $\ \ kg\ \frac{m}{s^2}\ \ or\ \ newton$

• $\ \ \frac{m}{s^2}$

• $\ kg$

• $\ \ joules$

What is the unit measure of acceleration?

• $\ \ \frac{m}{s^2}$

• $\ \ \frac{m}{s}$

• $\ \ kg\ \frac{m}{s^2}$

• $\ \ kg$

1 newton is equivalent to?

• $\ \ \frac{m}{s^2}$

• $\ \ kg\ \frac{m}{s^2}$

• $\ \ kg$

• $\ Joule$

All are correct about balanced forces EXCEPT?

• the forces are equal to zero

• the forces are not equal to zero

• the forces are opposite in direction

• the forces has the same line of action or application