Forces - general and gravitational force

The sum of all forces acting on an object and direction is called the

• Balanced Force

• Net Force

• Unbalanced Force

• Contact Force

A push/pull exerted on an object is called

• Force

• Momentum

• Speed

• Net force

Forces have both ________ and direction.

• Magnitude

• Speed

• Gravity

• Height

A Newton is a unit of ______.

• Acceleration

• Inertia

• Force

• Velocity

Name the missing force.

• Gravitational Force

• Normal Force

• Friction Force

• Applied Force

What is the net force acting on the box?

• 65 N left

• 65 N right

• 35 N left

• 35 N right

What is the net force acting on the car?

• 5.5 N left

• 5.5 N right

• 2.5 N left

• 2.5 N right

The diagram below shows a skateboarder pushing himself forward with a force of 25 N while the wind pushes back with a force of 5 N. How will the skateboarder be affected if the force of the wind increases to 8 N?

• The speed of the skateboarder will increase.
• The speed of the skateboarder will remain constant.
• The speed of the skateboarder will decrease.
• The skateboarder will come to a stop.

What is the formula of weight?

• $w=m\cdot g$

• $w=m+g$

• $w=m\div g$

Weight of a stone on planet Q is 300 N, while its mass is 60 kg. What will be planet's gravitational acceleration?

• $18000\ \frac{m}{s^2}$

• $5\ \frac{m}{s^2}$

• $0.2\ \frac{m}{s^2}$