M2.2 Newton's Laws

v represents

• volume

• velocity

• force

• acceleration

A 5 kg block is pulled across a table by a net force of 32 N. Calculate the acceleration of the object. 

• 32 ÷ 5
• 5 ÷ 32
• 32 x 5

Which would hit a wall with a greater force, a car or bus with the same acceleration?

• car

• bus

• both the same

Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

A force of 250 N is applied to an object that accelerates at a rate of 5 m/s².  What is the mass of the object? 

• 250 ÷ 5
• 5 ÷ 250
• 250 x 5

If a 10 kilogram object accelerates at 15 m/s², how much force was applied to the object?

• 150 Newtons
• 15 Newtons
• 150 kilograms
• 100 kilograms

A 20 kg bike accelerates at 10 m/s².  what was the force?

• 25 Newtons
• 20 Newtons
• 200 Newtons
• 10 Newtons

An object is decelerating.

• Thrust and friction forces are equal and opposite

• Thrust force > Friction force

• Friction force > Thrust force

• Thrust and friction forces are equal and act in the same direction

What is the net force in the horizontal direction?

• 3200 N

• 6400 N

• 0 N

• 12000 N

This person bought coffee and put it on the seat in the car next to them. If they stopped quickly and the coffee spilled which law would that represent?

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law