Physics Newton's 1st and 2nd Laws

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Questions 5

Answers

1
Which of these causes an object to change its velocity? (1st Law)
Inertia
A Force
Net Force of 0
2
A box is being pushed forward with 100 N of force, and friction resists this 25 N of force. What is the net force?
0 N
75 N
100 N
125 N
3
Which of these is the correct formula for force, given by the second law?
F = a/t
F = mg
F = mW
F = ma
4
True or False: a stationary object will only move if acted on by a force
False
True
5
True or False: a falling object accelerates faster in a vacuum if it has more mass
True
False

Imported from external platform

Answers

1
Which of these causes an object to change its velocity? (1st Law)
Inertia
A Force
Net Force of 0
2
A box is being pushed forward with 100 N of force, and friction resists this 25 N of force. What is the net force?
0 N
75 N
100 N
125 N
3
Which of these is the correct formula for force, given by the second law?
F = a/t
F = mg
F = mW
F = ma
4
True or False: a stationary object will only move if acted on by a force
False
True
5
True or False: a falling object accelerates faster in a vacuum if it has more mass
True
False