Forces and motion

What happens to a stationary object if the resultant force on it is zero
It stays still
It moves slowly
It moves slowly
What happens to a moving object if the resultant force on it is zero?
It stops
It keeps moving
It changes direction
What happens to a moving object if the resultant force on it is not zero?
It accelerates in the direction of the resultant force
It accelerates towards the resultant force
It moves towards the resultant force
What is the unit of force?
The newton, N
The Newton, n
The newton, n
What happens to a moving object if the resultant force on it is not zero?
It speeds up in the direction of the resultant force
It slows down in the direction of the resultant force
It moves towards the resultant force
If we double the resultant force applied to an object, what happens to its acceleration?
It stays the same
It doubles
It halves
The same resultant force is applied to three balls. Which ball experiences the greatest acceleration?
The 4 kg ball
The 2.5 kg ball
The 1 kg ball
What force is needed to give an acceleration of 2 m/s2 to a 4 kg box?
2 N
5 N
8 N
4 N is applied to a 2 kg object. What is its acceleration?
4 m/s2
2 m/s2
0.5 m/s2
What force is needed to give an acceleration of 10 m/s2 to a 250 g box?
2.5 N
25 N
2500 N
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