What happens to an object’s acceleration if you increase the force and keep the mass the same?
The acceleration increases.
What is the formula for force?
What is F=MA OR Force = Mass times Acceleration
Two students push the same cart. One pushes harder. What will happen to the cart?
The cart will accelerate more.
Why does a passenger lean forward when a bus suddenly stops?
Because the passenger’s body wants to keep moving due to inertia.
Two carts are pushed with the same force, but one cart has more mass. Which cart will accelerate more, and why?
The cart with less mass will accelerate more because acceleration depends on mass and force.
What does Newton’s 3rd Law say about forces?
For every action, there is an equal and opposite reaction.
Why is it harder to push a heavy shopping cart than an empty one?
Because greater mass requires more force to accelerate.
Which law explains why a heavy object needs more force to speed up, and which law explains why forces come in pairs?
Newton’s 2nd Law explains force and acceleration; Newton’s 3rd Law explains action–reaction forces.
A book is resting on a desk and does not move. Which law explains this and why?
Newton’s 1st Law; the book stays at rest because no unbalanced force is acting on it.
If the force on an object is doubled and the mass stays the same, what happens to the object’s acceleration?
The acceleration doubles.
When you jump off the ground, what pushes you upward?
The ground pushes back on you with an equal force.
If an object has a large mass and a small force is applied, what happens to its acceleration?
The acceleration will be small.
Two students push off each other while standing on skateboards. How do all three laws apply?
1st Law: Both students are at rest until they push
2nd Law: The student with less mass accelerates more
3rd Law: Each student pushes the other with equal and opposite forces