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In which of the following situation is work being done? A car is pushed but does not budge. A weightlifter holds a barbell over his head. A wagon is pulled at an angle of 30 deg…

In which of the following situation is work being done? A car is pushed but does not budge. A weightlifter holds a barbell over his head. A wagon is pulled at an angle of 30 deg…
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In which of the following situation is work being done?

A car is pushed but does not budge.
A weightlifter holds a barbell over his head.
A wagon is pulled at an angle of 30 degrees to the horizontal.
A swimmer treads water for 15 minutes.

asked
User Justin Wiseman
by
8.9k points

2 Answers

4 votes

Answer:

30 degrease to horizon

Step-by-step explanation:

answered
User Kound
by
6.8k points
1 vote

A wagon is pulled at an angle of 30 degrees to the horizontal.

answered
User Tommybee
by
8.5k points
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